When SaaS search ads get clicks but no conversions, I would check intent before anything else.
The usual failure points are:
- keywords are informational instead of buying/problem-aware
- ad copy promises one thing and the landing page says another
- the page explains features before the pain is clear
- CTA is too big for the visitor's level of trust
- conversion tracking is wrong or too late in the funnel
- broad match is bringing in junk queries
I would start with the search terms report, not the landing page.
Look at what people actually typed before clicking. If those queries do not sound like someone with the problem your SaaS solves, the campaign is teaching you nothing useful.
Then tighten the campaign:
- exact/phrase match around high-intent terms
- negative keywords aggressively
- one landing page per core pain/intent
- simple CTA like demo, trial, or "see example" depending on price/complexity
- add proof above the fold if you have it
Also make sure you are not optimizing for traffic too early. In SaaS, 100 wrong clicks can look like "landing page problem" when it is really an intent problem.