Procurement approval software is sold on automation, and automation is worth having in exactly one part of this process and oversold in the rest. The part worth automating is the routing: getting a request in front of the right person quickly and recording what they decided. The parts that are not are the decisions themselves and the policy behind them, which no product can supply. This page is about which pieces of an approval workflow repay automating in a small business, in what order, and what to check before buying.
Automate the routing first
The reliable win is that a request reaches the right approver immediately, on whatever device they have, and their answer is recorded against the request. That removes the two failures that actually happen: requests sitting in an inbox behind other mail, and approvals given verbally and never written down. If a product does only this well, it is worth its price for a small team. Everything further up the automation story depends on rules you have not written yet.
Then automate the rule, once you have one
A procurement approval workflow can route by amount, by budget, by category or by requester, and can require a second approver above a threshold. All of that is useful and none of it can be configured before you have decided your policy. The order matters: write the rule in words, run it manually for a month, then encode it. Companies that configure first end up with the vendor's default policy, which is usually stricter than they want and gets routed around, and then the software gets blamed for a decision nobody made.
What automated procurement cannot do
It cannot decide whether something should be bought, it cannot tell you whether the price is reasonable, and it cannot make an absent approver present. It also cannot fix the situation where the real approval happens in a corridor and the system is updated afterwards, which is common and is a management problem wearing a software costume. Be honest about which of your problems are in that category before buying, because a workflow tool applied to them produces a tidy record of a process that is not the real one.
What to check before buying
Three things. Whether the rule you actually run is expressible, tested with your three real rules rather than an example. What happens to a request nobody answers, since silently queueing is the common behaviour and the damaging one. And whether the approval history exports, because it is the part with the audit value and the part vendors most often keep. A product that passes those three will serve a small team for years; feature comparisons beyond them mostly measure the size of the vendor's roadmap.
Questions people ask about procurement approval software
What does procurement approval software do?
Routes a request to the right approver quickly and records the decision against it. That routing is the reliable win; the rules and the decisions themselves still have to be yours.
Should I configure approval rules before or after buying?
Write them in words and run them manually for a month first. Configuring first means adopting the vendor's default policy, which is usually stricter than you want and gets routed around.
What can procurement automation not fix?
Whether something should be bought, whether the price is fair, and an absent approver. It also cannot fix approvals that really happen in a corridor with the system updated afterwards.
What should I test before buying?
That your three real approval rules are expressible, what happens to a request nobody answers, and whether the approval history exports. Those three separate products better than any feature list.