Are the attachment done in Ariba are exported to SAP at PO creation ?

Are the attachment done in Ariba are exported to SAP at PO creation ?

Are the attachment done in Ariba are exported to SAP at PO creation ? Today all the attachment available at PR level are exported to PO . Is it the same on Ariba ?

By ST design the documents are not sent to SAP PO but still available in Ariba.