Can we delete completed engagement ads?

It’s better to leave them in there for now. Keeping the completed engagement ads allows Facebook to see the activity and engagement history on your account, which can be beneficial for account stability and future ad performance. 

For more insight into running engagement ads, refer to the program video Module 1 - 9 How To Create an Engagement Campaign. 

Also, don't forget to register for our weekly live Group Mentorship sessions. They are key for getting extra help and deepening your understanding of the program. You will automatically receive weekly invite emails on Tuesday of each week with email subject lines that always begin with "[AdV] - REGISTER" where you can register for each week's calls.