If you want to complete Purchase Requisition without creating Purchase Order(s) OR you created Purchase Order(s) only for part of Purchase Requisition items, you still could complete this Purchase Requisition .
Manual completion is available only for authorized users who can revise/reject the Purchase Requisition at the approval stage.
To complete PR manually:
1. Be sure that PR has Approved status.
2. Click the Mark as completed button to close the Purchase Requisition document manually.
After the Purchase Requisition is completed, the user will be notified that the PR was completed manually: