We have Multiple Businesses set up and we need to be able to have different security access for different businesses.
eg. We have 1 user - Joe Bloggs. He has access to 2 Businesses: Business1 & Business2.
We want him to have "Retail Administrator" Access to "Business1", but only "Retail User" access to Business2.

We use SSO for our users, so can set up 1 user.