Using SQL Server Reporting Services for monitoring database performance
SSRS (SQL Server Reporting Services) isn't a monitoring tool, it's a reporting tool.

You can absolutely use it to develop your own reports, but you'll have to be collecting the data, first. SSRS will not help you collect or analyze the data, but it will be able to present the data in whatever way you like and develop the reports to behave (such as varying parameters, etc.).