diff --git a/src/frontend/src/components/nav/InstanceDetail.tsx b/src/frontend/src/components/nav/InstanceDetail.tsx
index 98ed5d0292..1fc966e106 100644
--- a/src/frontend/src/components/nav/InstanceDetail.tsx
+++ b/src/frontend/src/components/nav/InstanceDetail.tsx
@@ -1,17 +1,24 @@
 import { LoadingOverlay } from '@mantine/core';
 
+import type { ModelType } from '../../enums/ModelType';
+import type { UserRoles } from '../../enums/Roles';
 import { useUserState } from '../../states/UserState';
 import ClientError from '../errors/ClientError';
+import PermissionDenied from '../errors/PermissionDenied';
 import ServerError from '../errors/ServerError';
 
 export default function InstanceDetail({
   status,
   loading,
-  children
+  children,
+  requiredRole,
+  requiredPermission
 }: Readonly<{
   status: number;
   loading: boolean;
   children: React.ReactNode;
+  requiredRole?: UserRoles;
+  requiredPermission?: ModelType;
 }>) {
   const user = useUserState();
 
@@ -27,5 +34,13 @@ export default function InstanceDetail({
     return <ClientError status={status} />;
   }
 
+  if (requiredRole && !user.hasViewRole(requiredRole)) {
+    return <PermissionDenied />;
+  }
+
+  if (requiredPermission && !user.hasViewPermission(requiredPermission)) {
+    return <PermissionDenied />;
+  }
+
   return <>{children}</>;
 }
diff --git a/src/frontend/src/pages/build/BuildDetail.tsx b/src/frontend/src/pages/build/BuildDetail.tsx
index a3cd447de0..ec0bbecd4d 100644
--- a/src/frontend/src/pages/build/BuildDetail.tsx
+++ b/src/frontend/src/pages/build/BuildDetail.tsx
@@ -519,7 +519,11 @@ export default function BuildDetail() {
       {holdOrder.modal}
       {issueOrder.modal}
       {completeOrder.modal}
-      <InstanceDetail status={requestStatus} loading={instanceQuery.isFetching}>
+      <InstanceDetail
+        status={requestStatus}
+        loading={instanceQuery.isFetching}
+        requiredRole={UserRoles.build}
+      >
         <Stack gap='xs'>
           <PageDetail
             title={`${t`Build Order`}: ${build.reference}`}
diff --git a/src/frontend/src/pages/company/SupplierPartDetail.tsx b/src/frontend/src/pages/company/SupplierPartDetail.tsx
index 2ccc9763dd..e3e4bec417 100644
--- a/src/frontend/src/pages/company/SupplierPartDetail.tsx
+++ b/src/frontend/src/pages/company/SupplierPartDetail.tsx
@@ -398,7 +398,11 @@ export default function SupplierPartDetail() {
       {deleteSupplierPart.modal}
       {duplicateSupplierPart.modal}
       {editSupplierPart.modal}
-      <InstanceDetail status={requestStatus} loading={instanceQuery.isFetching}>
+      <InstanceDetail
+        status={requestStatus}
+        loading={instanceQuery.isFetching}
+        requiredRole={UserRoles.purchase_order}
+      >
         <Stack gap='xs'>
           <PageDetail
             title={t`Supplier Part`}
diff --git a/src/frontend/src/pages/part/CategoryDetail.tsx b/src/frontend/src/pages/part/CategoryDetail.tsx
index a8fa7a9cb9..6593eae1a5 100644
--- a/src/frontend/src/pages/part/CategoryDetail.tsx
+++ b/src/frontend/src/pages/part/CategoryDetail.tsx
@@ -318,6 +318,7 @@ export default function CategoryDetail() {
       <InstanceDetail
         status={requestStatus}
         loading={id ? instanceQuery.isFetching : false}
+        requiredRole={UserRoles.part_category}
       >
         <Stack gap='xs'>
           <LoadingOverlay visible={instanceQuery.isFetching} />
diff --git a/src/frontend/src/pages/part/PartDetail.tsx b/src/frontend/src/pages/part/PartDetail.tsx
index d47191501f..6b23a647e1 100644
--- a/src/frontend/src/pages/part/PartDetail.tsx
+++ b/src/frontend/src/pages/part/PartDetail.tsx
@@ -970,18 +970,24 @@ export default function PartDetail() {
       {editPart.modal}
       {deletePart.modal}
       {orderPartsWizard.wizard}
-      <InstanceDetail status={requestStatus} loading={instanceQuery.isFetching}>
+      <InstanceDetail
+        status={requestStatus}
+        loading={instanceQuery.isFetching}
+        requiredRole={UserRoles.part}
+      >
         <Stack gap='xs'>
-          <NavigationTree
-            title={t`Part Categories`}
-            modelType={ModelType.partcategory}
-            endpoint={ApiEndpoints.category_tree}
-            opened={treeOpen}
-            onClose={() => {
-              setTreeOpen(false);
-            }}
-            selectedId={part?.category}
-          />
+          {user.hasViewRole(UserRoles.part_category) && (
+            <NavigationTree
+              title={t`Part Categories`}
+              modelType={ModelType.partcategory}
+              endpoint={ApiEndpoints.category_tree}
+              opened={treeOpen}
+              onClose={() => {
+                setTreeOpen(false);
+              }}
+              selectedId={part?.category}
+            />
+          )}
           <PageDetail
             title={`${t`Part`}: ${part.full_name}`}
             icon={
@@ -992,9 +998,13 @@ export default function PartDetail() {
             subtitle={part.description}
             imageUrl={part.image}
             badges={badges}
-            breadcrumbs={breadcrumbs}
+            breadcrumbs={
+              user.hasViewRole(UserRoles.part_category)
+                ? breadcrumbs
+                : undefined
+            }
             breadcrumbAction={() => {
-              setTreeOpen(true); // Open the category tree
+              setTreeOpen(true);
             }}
             editAction={editPart.open}
             editEnabled={user.hasChangeRole(UserRoles.part)}
diff --git a/src/frontend/src/pages/purchasing/PurchaseOrderDetail.tsx b/src/frontend/src/pages/purchasing/PurchaseOrderDetail.tsx
index f557b0886d..22ec2225b4 100644
--- a/src/frontend/src/pages/purchasing/PurchaseOrderDetail.tsx
+++ b/src/frontend/src/pages/purchasing/PurchaseOrderDetail.tsx
@@ -483,7 +483,11 @@ export default function PurchaseOrderDetail() {
       {completeOrder.modal}
       {editPurchaseOrder.modal}
       {duplicatePurchaseOrder.modal}
-      <InstanceDetail status={requestStatus} loading={instanceQuery.isFetching}>
+      <InstanceDetail
+        status={requestStatus}
+        loading={instanceQuery.isFetching}
+        requiredRole={UserRoles.purchase_order}
+      >
         <Stack gap='xs'>
           <PageDetail
             title={`${t`Purchase Order`}: ${order.reference}`}
diff --git a/src/frontend/src/pages/purchasing/PurchasingIndex.tsx b/src/frontend/src/pages/purchasing/PurchasingIndex.tsx
index 4cf9b5f030..564ca91e40 100644
--- a/src/frontend/src/pages/purchasing/PurchasingIndex.tsx
+++ b/src/frontend/src/pages/purchasing/PurchasingIndex.tsx
@@ -24,7 +24,8 @@ export default function PurchasingIndex() {
         name: 'purchaseorders',
         label: t`Purchase Orders`,
         icon: <IconShoppingCart />,
-        content: <PurchaseOrderTable />
+        content: <PurchaseOrderTable />,
+        hidden: !user.hasViewRole(UserRoles.purchase_order)
       },
       {
         name: 'suppliers',
@@ -49,7 +50,7 @@ export default function PurchasingIndex() {
         )
       }
     ];
-  }, []);
+  }, [user]);
 
   if (!user.isLoggedIn() || !user.hasViewRole(UserRoles.purchase_order)) {
     return <PermissionDenied />;
diff --git a/src/frontend/src/pages/sales/ReturnOrderDetail.tsx b/src/frontend/src/pages/sales/ReturnOrderDetail.tsx
index 0320c949d7..bbba1340c5 100644
--- a/src/frontend/src/pages/sales/ReturnOrderDetail.tsx
+++ b/src/frontend/src/pages/sales/ReturnOrderDetail.tsx
@@ -470,7 +470,11 @@ export default function ReturnOrderDetail() {
       {holdOrder.modal}
       {completeOrder.modal}
       {duplicateReturnOrder.modal}
-      <InstanceDetail status={requestStatus} loading={instanceQuery.isFetching}>
+      <InstanceDetail
+        status={requestStatus}
+        loading={instanceQuery.isFetching}
+        requiredRole={UserRoles.return_order}
+      >
         <Stack gap='xs'>
           <PageDetail
             title={`${t`Return Order`}: ${order.reference}`}
diff --git a/src/frontend/src/pages/sales/SalesIndex.tsx b/src/frontend/src/pages/sales/SalesIndex.tsx
index 968b005f6b..1ac981183f 100644
--- a/src/frontend/src/pages/sales/SalesIndex.tsx
+++ b/src/frontend/src/pages/sales/SalesIndex.tsx
@@ -25,13 +25,15 @@ export default function PurchasingIndex() {
         name: 'salesorders',
         label: t`Sales Orders`,
         icon: <IconTruckDelivery />,
-        content: <SalesOrderTable />
+        content: <SalesOrderTable />,
+        hidden: !user.hasViewRole(UserRoles.sales_order)
       },
       {
         name: 'returnorders',
         label: t`Return Orders`,
         icon: <IconTruckReturn />,
-        content: <ReturnOrderTable />
+        content: <ReturnOrderTable />,
+        hidden: !user.hasViewRole(UserRoles.return_order)
       },
       {
         name: 'suppliers',
@@ -42,7 +44,7 @@ export default function PurchasingIndex() {
         )
       }
     ];
-  }, []);
+  }, [user]);
 
   if (!user.isLoggedIn() || !user.hasViewRole(UserRoles.sales_order)) {
     return <PermissionDenied />;
diff --git a/src/frontend/src/pages/sales/SalesOrderDetail.tsx b/src/frontend/src/pages/sales/SalesOrderDetail.tsx
index 7484d9be0f..c02627361c 100644
--- a/src/frontend/src/pages/sales/SalesOrderDetail.tsx
+++ b/src/frontend/src/pages/sales/SalesOrderDetail.tsx
@@ -534,7 +534,11 @@ export default function SalesOrderDetail() {
       {completeOrder.modal}
       {editSalesOrder.modal}
       {duplicateSalesOrder.modal}
-      <InstanceDetail status={requestStatus} loading={instanceQuery.isFetching}>
+      <InstanceDetail
+        status={requestStatus}
+        loading={instanceQuery.isFetching}
+        requiredRole={UserRoles.sales_order}
+      >
         <Stack gap='xs'>
           <PageDetail
             title={`${t`Sales Order`}: ${order.reference}`}
diff --git a/src/frontend/src/pages/sales/SalesOrderShipmentDetail.tsx b/src/frontend/src/pages/sales/SalesOrderShipmentDetail.tsx
index 0f372a7ec2..1a5e3631b6 100644
--- a/src/frontend/src/pages/sales/SalesOrderShipmentDetail.tsx
+++ b/src/frontend/src/pages/sales/SalesOrderShipmentDetail.tsx
@@ -352,6 +352,7 @@ export default function SalesOrderShipmentDetail() {
       <InstanceDetail
         status={shipmentStatus}
         loading={shipmentQuery.isFetching || customerQuery.isFetching}
+        requiredRole={UserRoles.sales_order}
       >
         <Stack gap='xs'>
           <PageDetail
diff --git a/src/frontend/src/pages/stock/LocationDetail.tsx b/src/frontend/src/pages/stock/LocationDetail.tsx
index 739ad8ba1f..b6248ad9cb 100644
--- a/src/frontend/src/pages/stock/LocationDetail.tsx
+++ b/src/frontend/src/pages/stock/LocationDetail.tsx
@@ -363,6 +363,7 @@ export default function Stock() {
       <InstanceDetail
         status={requestStatus}
         loading={id ? instanceQuery.isFetching : false}
+        requiredRole={UserRoles.stock_location}
       >
         <Stack>
           <NavigationTree
diff --git a/src/frontend/src/pages/stock/StockDetail.tsx b/src/frontend/src/pages/stock/StockDetail.tsx
index 2168e856b9..79a1552aaa 100644
--- a/src/frontend/src/pages/stock/StockDetail.tsx
+++ b/src/frontend/src/pages/stock/StockDetail.tsx
@@ -884,16 +884,22 @@ export default function StockDetail() {
   }, [stockitem, instanceQuery, enableExpiry]);
 
   return (
-    <InstanceDetail status={requestStatus} loading={instanceQuery.isFetching}>
+    <InstanceDetail
+      requiredRole={UserRoles.stock}
+      status={requestStatus}
+      loading={instanceQuery.isFetching}
+    >
       <Stack>
-        <NavigationTree
-          title={t`Stock Locations`}
-          modelType={ModelType.stocklocation}
-          endpoint={ApiEndpoints.stock_location_tree}
-          opened={treeOpen}
-          onClose={() => setTreeOpen(false)}
-          selectedId={stockitem?.location}
-        />
+        {user.hasViewRole(UserRoles.stock_location) && (
+          <NavigationTree
+            title={t`Stock Locations`}
+            modelType={ModelType.stocklocation}
+            endpoint={ApiEndpoints.stock_location_tree}
+            opened={treeOpen}
+            onClose={() => setTreeOpen(false)}
+            selectedId={stockitem?.location}
+          />
+        )}
         <PageDetail
           title={t`Stock Item`}
           subtitle={stockitem.part_detail?.full_name}
@@ -901,7 +907,9 @@ export default function StockDetail() {
           editAction={editStockItem.open}
           editEnabled={user.hasChangePermission(ModelType.stockitem)}
           badges={stockBadges}
-          breadcrumbs={breadcrumbs}
+          breadcrumbs={
+            user.hasViewRole(UserRoles.stock_location) ? breadcrumbs : undefined
+          }
           breadcrumbAction={() => {
             setTreeOpen(true);
           }}