Procurement vs. purchase order automation: two different layers
Purchase order automation, with or without AI, governs the document: drafting it, sizing it, timing it, matching it against an invoice. Procurement sits a level above that entirely: which supplier you use, on what terms, and whether that relationship is still the right one. A perfectly automated PO sent to the wrong supplier at a bad price is still a bad outcome.
If it's the PO document, its timing, or its approval and matching workflow that need work, purchase order automation and AI purchase order automation cover that layer in depth. This page is about the sourcing and supplier-management decisions that happen before a PO ever gets drafted.