To pull Purchase Orders/Bills from Xero, you need to ensure the following:
The Purchase Order/Bill workflow has been activated and the Pulling from Xero step is set up:
How to set up the Pulling from Xero step for Purchase Orders
How to set up the Pulling from Xero step for BillsThe Purchase Orders/Bills in Xero are submitted in the Awaiting Approval status
The data is synchronised with ApprovalMax