I have two O365 tenants and need to simply grant end users from the corporate tenant above for the companion tenant for SharePoint On the web. The B2B seems like It might be the simplest, but does it support Sharepoint On the internet. The one example I see in MS https://knoxkjgrj.blogsmine.com/33584822/the-fact-about-b2b-franchisees-that-no-one-is-suggesting