Unreal Pixel streaming server configuration

Question

Are there any particular configurations or settings that need to be enabled on the Unreal Pixel Streaming environment created through the Azure Market Place, in order to have a Multiplayer platform, where N players can connect to the game, control their character and be able to interact with other players?

How do you scale in terms of VMs with GPUs to support more players, increasing VM resources, creating more VMs, or whatever?

What additional components beyond just the Pixel Streaming server are needed?