The Coupa Greenwing Connector is beneficial for both buying organizations and suppliers they are wanting to connect with.
Buying organizations benefit by allowing suppliers to receive cXML purchase orders instead of routing via email which may have issues with deliverability. In addition, a supplier that submits invoices manually via the Coupa Supplier Portal or via email/mail can now submit them in batch format via cXML automatically. The buying organization gets better data quality via cXML and reduces errors due to the automation.
The supplier benefits are reduced errors from missed PO email notifications and order entry or keying errors. When a supplier is ready to invoice, they can now send electronic invoices directly to Coupa from their ERP system. There is no need for the supplier to manually post individual invoices any longer.