Reports are always specific to the plan you are viewing when generating them. There is not a comparative report. To run a comparison, you could run a report for each case and collate the charts as needed.
The printable reports will only show the details for the plan/scenario you have selected, which will be identified in the top-left corner of the screen when generating the report. Run the reports for each scenario you wish to compare. Then collate the output from the different reports into a single document. This could be done with a simple cut and paste in Word or by copying and pasting from the Page Thumbnails pane in Adobe Acrobat.
However, if you would like to capture a compare plans view of the Let's See charts, or for that matter the dual charts view or simulation results, you can capture these in the software's clipboard and paste them into a Word format reports using Chart Controls. Read more >>