Hello,
What type of reports are you looking for? For example, do you want reports for the most recent analysis?
If you’re looking for that type of report, there is not a built in export feature. As it stands, the Web API is the best way to pull project-level data out of SonarQube and into another format (JSON being the intermediary format) and use that data for external reporting.
On the other hand, if you want a more comprehensive report, the Portfolio report feature is available in SonarQube Enterprise editions and above.
You can find more details in this Community post.
I hope it helps!
Rachel