AD Requirements for Horizon 7 POC

Hello Experts

Can you help me to understand what kind of AD requirements for Horizon 7 POC? Kindly confirm the below given is fine

1. OU : VDI-POC

    Child OU: VDI Pool- A

    Child OU : VDI Servers

    Child OU : VDI Users

2. . Service Accounts

       view admin( domain user with local admin privileges to install connection server)

        viewcomposer(what sort of privileges required?)

3. How many GPO's will be created?

Thanks

Bala