Administer an Azure Active Directory Domain Services managed domain

https://docs.microsoft.com/en-us/azure/active-directory-domain-services/active-directory-ds-admin-guide-administer-domain

Join Windows 10 to Azure Active Directory

https://www.petri.com/join-windows-10-to-azure-active-directory

Intune instead of Group Policy?

https://community.spiceworks.com/topic/1183327-intune-instead-of-group-policy

Manage settings and features on your devices with Microsoft Intune policies

https://docs.microsoft.com/en-us/intune/deploy-use/manage-settings-and-features-on-your-devices-with-microsoft-intune-policies