Your site will not show ads until you have been approved for Google Ad Manager (MCM).
Please see the following Support article for tips on how to get that set up:
Applying to Google Ad Manager Multiple Customer Management
Please also go through the following Support article to ensure you have completed all other necessary tips for ads to show:
Why Aren't Ads Showing Up On My Site?
Regarding your sites still pending with Google - are you referring to AdSense or Google Ad Manager?
If you have an urgent technical inquiry, please contact our Support team by following these steps:
Guidelines for Contacting Support
You can open a ticket or live chat by accessing an article on support.ezoic.com, and at the bottom of the article, selecting 'Get In Touch'. You will then be able to open a live chat during office hours, or a ticket outside of office hours.