Guide · 7 min read

Cloud vs. On-Premise AP Automation for SAP Business One

Most AP invoice automation tools ship every supplier invoice to a third-party cloud for processing. For SAP Business One customers whose supplier list and pricing is the business, that's a bigger tradeoff than the marketing pages let on. Here's how the two models actually differ — and why on-premise wins for privacy and data sovereignty.

What each model actually does with your invoices

Cloud AP automation sends every PDF invoice from your inbox to the vendor's servers. OCR, field extraction, and validation all happen there. The extracted data — and often the original PDF — is stored in the vendor's system, then pushed back to SAP Business One via an integration layer.

On-premise AP automation runs on the same machine as your SAP install. The PDF is opened, matched against a supplier template, and turned into an A/P Invoice draft — locally. Nothing about the ongoing invoice ever leaves your network.

Side-by-side comparison

Cloud

  • Every supplier invoice leaves your building — permanently, for the life of the contract.
  • Your supplier list, prices, and purchase volumes sit on someone else's server.
  • A vendor breach or subprocessor incident exposes your commercial data.
  • Data residency, GDPR, and internal audit questions get harder, not easier.
  • Month-end waits on the vendor's processing queue.
  • Per-invoice pricing punishes growth: more suppliers, higher bill.

On-premise

  • Invoices stay on the same machine as your SAP Business One install.
  • Supplier data, prices, and volumes never leave your network.
  • No third-party subprocessors touching commercial data.
  • Simple audit story: the PDF and the SAP draft live in one place.
  • Invoices are read in seconds, on your own machine — even at month-end.
  • One flat price, unlimited invoices.

Privacy and data sovereignty

Supplier invoices are among the most sensitive documents in the business. They reveal who you buy from, at what prices, in what quantities, on what terms. A competitor with that data — or a regulator asking where it lives — is not a hypothetical problem.

Cloud AP tools typically store this data in the vendor's chosen region, processed by subprocessors you don't control. GDPR contracts and SOC 2 reports help — but the underlying fact is that your commercial data lives somewhere else. On-premise processing removes the question entirely: the data never left.

When cloud is fine

Cloud AP automation is a reasonable choice when your supplier data isn't commercially sensitive, invoice volumes are small enough that per-invoice pricing stays cheap, and you have no internal policy or regulator asking where invoice data is processed. For most SAP Business One distributors, manufacturers, and wholesalers, that isn't the situation.

How templit does it

templit is on-premise AP invoice automation built for SAP Business One. It runs next to your SAP install. Only the single sample invoice used to build a supplier template is sent anywhere; everything after that is processed locally and written directly into an A/P Invoice draft.

Ten invoices a month or ten thousand — one flat price, no per-invoice metering, no supplier data on someone else's server.

New to AP automation? Start with the practical guide to AP automation for SAP Business One.

Keep your invoice data where it belongs.

See templit process real supplier invoices on your own SAP Business One.