Microsoft is unusually credible in this category: Invoice Capture ships for D365 Finance, and AI Builder gives Power Platform teams a DIY document-extraction path. That makes the buy decision sharper than in most ERP ecosystems — specialists must beat a native option that's included in the stack and improving continuously.
They often still do, on the dimensions that decide AP economics: touchless rate on messy real-world invoices, line-item extraction for PO matching, validation UX for exceptions, and coverage beyond invoices (order confirmations, delivery notes, receipts). The comparison below is built around those margins.