Most of the adobe reports are created with single schema or cube. I would like to know is there any way to reference multiple schema in the same report.
One report Icon in the global report page - User can select 2 sub reports from drop down ( one from tracking logs & Delivery logs ). Based on selection, respective output page selected.
I am not sure I understand your problem statement correctly.
Thinking out loud -
If you check Broadcast statistics report , two schemas are used 1. Campaign 2. Delivery
So similar to that if you can give user an option to select and based on that selection create the logic with two different page activities.
When we use 2 multiple output page reports - we usually getting issues in data export. only first 200 rows will be exported all the time.
so we ended up creating individual page report instead of muitpage