We are considering to make Managed Apple ID with Federation Azure AD and Apple Business Manager. According to this document we can use free version of Azure AD if we have Intune contract.
https://www.microsoft.com/en-us/security/business/identity-access-management/azure-ad-pricing#coreui-contentrichblock-gtwdiwu
How many employee IDs can we managed with this Azure AD for free? 50,000 IDs?