...
Afterwards, you should be able to find the enterprise app in the UI linked above, where you can restrict the application to certain users or groups, or, using the “Properties” page, allow users to self-approve the app:
...
References
https://docs.microsoft.com/en-us/azure/active-directory/manage-apps/configure-admin-consent-workflow
https://docs.microsoft.com/en-us/azure/active-directory/manage-apps/grant-admin-consent
https://docs.microsoft.com/en-us/azure/active-directory/manage-apps/grant-admin-consent