Explanation:
Box 1: User Administrator
User admin
Assign the user admin role to users who you want to access and manage user password resets and manage users and groups. They can also open and manage support requests to Microsoft support.
Box 2: Helpdesk Administrator
Assign the Helpdesk admin role to users who want to reset passwords, force users to sign out for any security issues. They can also open and manage support requests to Microsoft support. The Helpdesk admin can only help non-admin users and users assigned these roles: Directory reader, Guest inviter, Helpdesk admin, Message center reader, and Reports reader.
Reference:
https://docs.microsoft.com/en-us/microsoft-365/admin/add-users/admin-roles-page