In prior editions of Dynamics, it was possible to re-run a report while still within that reporting framework by changing the parameters. Basically, after I have run a report, while the PDF Viewer shows the results from the first run I could change the parameters and re-run the report as needed.

A second feature would be to add a functionality that would allow the user to run the report that opens into another screen. That way they can quickly compare the reports if required.