
Explanation:
Box 1: No
Maximum number of devices: This setting enables you to select the maximum number of Azure AD joined or Azure AD registered devices that a user can have in Azure AD.
Box 2: Yes
You must be assigned one of the following roles to view or manage device settings in the Azure portal:
* Global Administrator
* Cloud Device Administrator
* Global Reader
* Directory Reader
Box 3: No
Additional local administrators on Azure AD joined devices (Device is Registered not Joined) Reference:
https://docs.microsoft.com/en-us/azure/active-directory/devices/device-management-azure-portal