Invoice approval software has converged on capability, so a feature comparison produces a tie and a long evaluation. Three behaviours discriminate usefully, and all three concern what happens when things do not go smoothly, which is exactly what a scripted demonstration is designed to avoid showing.
What happens when an approver is away
Automatic cover based on declared absence, or a fallback after a fixed period. Systems that rely on the approver having set a delegate in advance fail precisely when it matters, because the unplanned absences are the ones nobody prepared for. This behaviour alone accounts for much of the difference in real elapsed time between products.
What happens when nothing happens
After a defined period, does the item escalate to a named alternative or does the system send another reminder into the same silence. Escalation with a deadline is what makes elapsed time predictable enough to promise a supplier a date. Ask how it is configured, and test it by doing nothing during a trial.
What the approver sees at the moment of decision
The invoice itself, the amount, the supplier, what it is for and the match result, or a reference and a total. This determines whether approval is a control or a rubber stamp, and it is easy to miss because demonstrations use clean examples. Ask to see the screen with a messy real invoice from your own pile.
Questions people ask about invoice approval software
How do we test these in a trial?
Configure an approver, submit an invoice, and then do nothing for the escalation period. What the system does next tells you more than any demonstration.
Is mobile approval essential?
Where approvers are frequently away from desks, it is the largest single reduction in elapsed time available. Elsewhere it is a convenience.
Should approvals be able to be delegated permanently?
Yes, with a record. Permanent delegation that is not recorded is how approval authority quietly ends up somewhere nobody intended.