To help you spot instances where adgroups do not have any active keywords (excluding DSA adgroups), Adalysis will regularly analyze your account and alert you whenever it identifies such cases:

Step 1

Clicking on the above alert will open the Adgroups screen showing such adgroups:

Step 2

You can either pause these adgroups one by one, or in bulk:

or go through each one of them (click on adgroup name) to see the existing ads or paused keywords.