Can you use admob during alfa and beta testing in google play?

Simple question - can you use live AdMob ads (i.e. not in test mode) during alpha and beta testing in Google Play?

Can I earn from AdMob without uploading at Play Store?

In 2022, you can't monetize your app with admob without publishing it on Google Play Store or any other app store.

What is alpha and beta in Play Store?

As per the standards the main difference between Alpha and Beta testing is: Alpha testing is done by developers without any involvement of users, in the development environment before marketing the app. However Beta testing is done only by users in real environment.

Yes. Alpha and Beta are supposed to be a restricted rollout to a small number of users, they have no effect on admob.

Read about it in this guide.