The honest account of paperless accounts payable is that it does not remove waiting; it makes waiting visible. A paper invoice on somebody's desk and a digital one in their queue are both waiting. The difference is that the second can be counted, aged, chased and reported, and every subsequent improvement follows from being able to see it.
Visibility is the first gain
Once invoices are in a queue with statuses and ages, you can see which are stuck and with whom. That turns a general sense that payables is slow into a specific list of ten invoices with three names against them, and specific lists get acted on where general impressions do not.
The record is the durable gain
Digital processing captures the received date, the approval, the coding and the exception reasons as data. That answers supplier queries, audit questions and duplicate-payment arguments in seconds rather than in an afternoon of searching. Unlike speed, it does not depend on anybody changing their behaviour to materialise.
What does not improve by itself
An approver who does not respond still does not respond, and an invoice with no purchase order still needs somebody to work out what it is for. Paperless makes both visible without fixing either. Teams that use the visibility to address behaviour get the speed; teams that expect the medium to do it are disappointed.
Questions people ask about paperless accounts payable
Do we need to go paperless everywhere at once?
No. Scanning at arrival with everything downstream digital captures most of the benefit while paper still arrives.
Will it reduce headcount?
It reduces handling. Whether that becomes headcount depends on how much of your time is handling rather than resolving, which is measurable before you start.
What about retention obligations?
They attach to the record rather than the medium in most cases, but check your own before disposing of originals.