The clearest way to think about OCR in invoice processing is positionally. It sits between the invoice arriving and the match being attempted, and its influence stops at that boundary. Everything before it, the arrival channels, and everything after it, the match, the approval and the exceptions, is unaffected. Placing it correctly makes both its value and its limits obvious.
What it reaches
Turning a document into fields, removing keying and a class of transcription error. For a team currently typing every invoice, this is immediate, measurable and worth having. It also makes invoices findable later by supplier, amount or reference, which is a quieter benefit that shows up every time somebody asks about an old payment.
What it cannot reach downstream
The match compares documents rather than reading one, so it is unaffected by how the invoice was captured. Coding is a judgement about the transaction, not printed on the invoice. Exceptions are conversations with purchasing, sites and suppliers. If your elapsed time is dominated by these, capture will not move it.
What it cannot reach upstream
An invoice emailed to an individual never enters the system, so it is never captured, well or badly. Consolidating arrival channels is a prerequisite rather than an optional extra, and it is free. Buying capture before doing it produces a system that is accurate about the invoices it sees and silent about the ones it does not.
Questions people ask about invoice processing ocr
How do we know if capture is our constraint?
Time your process by activity for a week. If keying is minutes and approval is days, capture is not the constraint.
Does OCR reduce exceptions?
No. Exceptions come from documents disagreeing or being absent, which is a different problem from documents being read.
Is it worth it anyway?
Often, for the record and the searchability, even where the labour saving is modest. Just make the case on the right grounds.