Discount gets attention because it is visible
Most commercial processes have clear discount thresholds. That is useful because price matters and discount is easy to measure.
But the margin behind a deal can move through many other decisions: implementation effort, payment timing, free custom work, service credits, support intensity, termination rights, scope ambiguity and customer-specific operating requirements.
Small concessions can add up
No single concession has to be dramatic. A few points of discount, a shorter implementation, an extra integration and an aggressive SLA can combine into a very different cost-to-serve profile.
That is why looking only at the price concession can create false comfort.
Margin protection needs the full commitment
The better question is not “is this discount allowed?” It is “given everything we have promised, does this deal still produce the economics we expect?”
That is the level at which commitment authorization becomes economically useful.