TL; DR
Open ports 22, 9000, 80 and 443 inbound on the VM.
Details of the opening of ports
Rather than repeating what is already documented, I will provide you with the link
https://Github.com/baywet/azure-docker-SonarQube#step-2-opening-firewall-ports
It is necessary to open the ports 22, 80, 443 and 9000 allowing respectively to access the machine remote shell, load http and https content, and access the management console.