Is there any OTBI subject area that provides the distribution-level Purchase Order Number?

Hi Everyone,
We are using the Payables Invoices - Transactions Real Time subject area. We noticed that the Invoice Line Purchase Order column is returning the correct PO numbers for our invoices.

However, the Identifying PO column is showing different PO values in some cases.

Oracle Support informed us that Identifying PO is a header-level PO and not a distribution-level PO.
Our requirement is to report the PO at the distribution level.
Any suggestions would be greatly appreciated. Thank you!