Procurement approval software sits between somebody wanting to buy something and a purchase order going to a supplier. It does three separable jobs, and organisations usually buy it for the first, benefit most from the second and are eventually saved by the third. Being clear about which of the three you actually need makes the difference between a tool people use and one they route around within a month.
Routing: getting the request to the right person
Most approval delay is not a hard decision; it is a request sitting with somebody who is not the approver, or with an approver who is on leave and has no delegate. Rule-based routing by cost centre, category and value fixes the common case, and a delegation rule fixes the one that generates the most complaints. This is the least clever part of the product and usually the part that returns the most.
Limits: enforcing what the policy already says
Every organisation has approval thresholds. Most enforce them by everybody remembering, which works until it does not. Encoding the limits means a request above a threshold cannot proceed without the right signature rather than merely being supposed to, and it also exposes the splitting problem, where one purchase becomes two requests that each sit under a limit.
The record: what an auditor actually asks for
Who approved this, on what date, against what value, and what did they see when they did. That is the question, and answering it from email a year later is expensive and often impossible. A system that captures the approval as it happens is not doing anything clever; it is just being the thing that remembers, and it is the reason approval tooling survives the first budget review.
Questions people ask about procurement approval software
Is procurement approval software the same as purchase order software?
They overlap and are often sold together. Approval software is about the decision to buy; purchase order software is about the document that goes to the supplier. A request that is approved and then never becomes an order is a common gap between the two.
What approval limits should we set?
That is your organisation's policy decision and depends on your size, your risk appetite and your audit requirements. Software enforces the limits you set; it should not be the thing that chooses them.
Will people route around it?
They will if approval takes longer than buying it on a card and claiming it back. The single most useful thing you can measure after implementing approvals is how long a request waits, because that number determines whether the process is followed.