The content of the Overview panel depends on the method used to onboard the application:

Application - Overview with Fast Scan

This Overview panel is accessed via the Onboard application button. If you do not see this button, you need to specifically enable the onboarding with Fast Scan workflow - see Administration Center - Settings - Application Onboarding:

Legacy onboarding

Legacy onboarding is accessed via the Add application button. If you do not see this button, you need to disable the onboarding with Fast Scan workflow and then switch to legacy onboarding - see Administration Center - Settings - Application Onboarding: