Chapter 7: Request a Purchase Order. Geethu Katherine Johnson January 26, 2021 12:19 Updated Request a Purchase Order takes you through the process of requesting a Purchase Order in Airbase. Relevant Articles Request a Purchase Order Related articles Chapter 8: Submit an Invoice. Request Purchase Orders. Match an Invoice with a Purchase Order. Approve/Deny Purchase Orders. Pending Your Action. Comments 0 comments Please sign in to leave a comment.