If you're just getting started with Android Enterprise, or looking to brush up on some of the finer nuances of the platform, I provide in-depth & easy to understand documentation across a range of topics within the Android Enterprise ecosystem absolutely free of charge.
I've published over 100 docs and FAQs to date, and add to and/or update my content on a regular basis.
Take a look at some of the latest docs, or head on over to /android to dive into the full library.