Should I do this step or not important because I use AdSense through ad manager and I want to use ezoic through ad manager as well?
newsmoretn Hello Heather here I hope you are well. This looks to be an invite for the MCM process you will need to accept the invite for Ezoic to be able to place ads on your site. Once you have accepted the invite Google will then review your domains for being on MCM. This article explains more about this https://support.ezoic.com/kb/article/applying-to-google-ad-manager-multiple-customer-management