Restrict purchase order creation

To restrict purchase order creation to admin role, it can be done using workflow.

1. Navigate to Customization > Workflow> Workflows > New
2. Add basic information
3. Click State 1
4. Select  New Action 
5. Select Return User Error
6. Trigger on : Select Before Record Load
7. Condition: User Role != Administrator
8. Event Type: Select Create and Copy
9. Text : “You have no permission to create Purchase Order”
10. Click Save

Now purchase order creation is restricted to admin role only.

NB: If you don’t select event type as copy. Then the roles other than admin can create PO from make a copy scenario.