You have two options:
1. Get the html report that maven dependency check creates in the step before upload to sonarqube.
2. Check cnes sonarqube report.
Here is another article for it. It creats full report for the project. https://medium.com/@giannakopoulosj/sonar-cnes-report-reporting-from-sonarqube-made-of-ease-6e3408a14aa9