After I install Jaspersoft Studio on my computer, I understand I need to connect to my CA PPM Instance and then to my Data Warehouse. What do I need to do in order to accomplish both of these tasks?
Have you seen this page on DocOps?
https://docops.ca.com/ca-ppm-saas/15-2/en/advanced-reporting-with-jaspersoft/create-and-publish-jaspersoft-studio-reports
It has the necessary instructions.