Not a single example on that page is a Purchase Order, Invoice etc. Not a single example shown is relevant to industry at scale.
Bus travels, meals including dinners and snacks, etc. for which the employee has receipts on paper.
Your best bet is to always convert it to an image and OCR it to extract structured data.
... hallucinating during read ...
... hallucinating during understand ...
... hallucinating during forecast ...
... highlighting a hallucination as red flag ...
... missing an actual red flag ...
... consuming water to cool myself...
Phew, being an AI is hard!
Scaled businesses do USE edi, but they still receive hundreds of thousands of PDF documents a month
source: built a saas product that handles pdfs for a specific industry
Receipt scanning is a multiple orders of magnitude more valuable business. Mistral at this point is looking for a commercial niche (like how Claude is aiming at software development)