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.