How do users in SAP Ariba Buying and Invoicing send purchase orders to suppliers over...

The user creates a requisition. When the requisition is approved, SAP Ariba Procurement generates a purchase order and transmits it to the supplier.

The user creates a requisition. When the requisition is approved, a procurement buyer creates a purchase order and transmits it to the supplier.

The user creates a requisition, which generates a Purchase Order. When the purchase order is approved, SAP Ariba Procurement transmits it to the supplier.

The user creates a purchase order. When the purchase order is approved, SAP Ariba Procurement transmits it to the supplier.