extensive documentation on how to use if you have any questions, but there are essentially three ways to use the tool.
Website users can easily run reports, including providing parameters to configure the results.
Advanced authors and administrators can configure the report columns, parameters, and queries.
Developers can extend the Report Builder by adding new Report Executors, Column types, and Parameter types.
Report Builder is available in ACS AEM Commons version 3.14.0+ and is compatible with AEM 6.3+.