Punchout Requisition - Is there any functionality to update the PO number to vendor website

Summary:

Our requirement is to automatically update the PO number back in vendor website after the requisition converted as Purchase order, currently PO PDF document is communicated to the vendor email Id, but, the vendor is expecting to update PO number in punchout website automatically, do we have this feature in SSP

Content (required):

Our requirement is to automatically update the PO number back in vendor website after the requisition converted as Purchase order, currently PO PDF document is communicated to the vendor email Id, but, the vendor is expecting to update PO number in punchout website automatically, do we have this feature in SSP