The best knowledge-base software for SaaS is not just a place to publish articles. It should connect docs to in-product support, AI answers, and the customer portal.

This problem matters when customers keep asking the same thing, waiting too long, or failing to self-serve.
The issue is worth fixing when it is pushing the team into repetitive manual work or fragmented tools.
Use the checklist to decide whether the first change should be docs, routing, AI, or the support stack itself.