Hello @Greg R_ 

Greetings!

from Preferences > Notifications, enable below notifications.

you can also check system logs for push notifications. System Logs > Push Notifications.

refer: https://www.servicenow.com/community/mobile-apps-platform-forum/push-notifications-on-service-now-mo...

If my answer has helped with your question, please mark my answer as accepted solution and give a thumb up.

Best regards

Ravi Chandra