You are reading the documentation of ISPsystem - a software developer. It contains general information about the platform you are working with.
If your question relates to access to the service, administrator contacts, tariffs, etc., contact your hosting provider - the company providing your services.
If you don't know who your hosting provider is, you can identify it by domain name or server IP address through the service https://www.whois.com/whois/
Connection to a virtual machine depends on the type of guest operating system:
LInux family OS — you can connect to the OS console via SSH protocol, VNC, or SPICE. Connection to the GUI shell is not supported;
Windows family OS — you can connect to the GUI shell via VNC or SPICE.