Yoast is great because it provides the content author with SEO ratings, checks, and a score before content authors publish the page on Wordpress.
The AEM editor does not support such tools as Yoast. You can build something custom in AEM or, another way is to use 3rd party tools. As a quick solution, using free or subscription based SEO Google Extension tools, content authors can quickly get feedback from a page before publishing the page (view publish mode). Tools such as: