Yes, you can decide which reports to open or not open on startup!
Steps to set Report open on Spark Startup:
1. Open ‘My Reports’ view and open the report you want on startup.
2. Click on ‘Add/Edit Views’ and select the checkbox ‘Open on Startup’.
Repeat this process for all those reports you wish, and unmark the checkbox to stop opening any given report.
Please UNCHECK “Open on Startup” if you would like a report to NOT be open on startup