When a purchase order has been created, but you want to cancel the purchase order or void it. You can proceed along the following steps :

Step 1: Go to Expenses > Purchase order > See all > and select the document you want to cancel.

Step 2: After selecting the purchase order, click the Dropdown on the Options button > Void

When clicking void the document, it will be moved into Voided and cannot be deleted out of PEAK.

And there will be a pop-up notification to confirm the cancellation of the document. If you already check the canceled documents, press Confirm button.