Explanation
Box 1: can connect to the container from any device
In the policy "osType": "window" refer that it will create a container in a container group that runs Windows but it won't block access depending on device type.
Box 2: the container will restart automatically
Docker provides restart policies to control whether your containers start automatically when they exit, or when Docker restarts. Restart policies ensure that linked containers are started in the correct order. Docker recommends that you use restart policies, and avoid using process managers to start containers.
on-failure : Restart the container if it exits due to an error, which manifests as a non-zero exit code.
As the flag is mentioned as "on-failure" in the policy, so it will restart automatically

Reference:
https://docs.microsoft.com/en-us/cli/azure/container?view=azure-cli-latest
https://docs.docker.com/config/containers/start-containers-automatically/