VMWare is one of VyOS supported platforms.
One of the deployment options is the OVA template. This OVA supports ESX/ESXi 4.0 and newer.
Download the template from: https://downloads.vyos.io/release/1.1.8/vyos-1.1.8-amd64.ova to the machine with VMWare vSphere Client or Web vSphere client.
In vSphere Client select File, Deploy OVF Template and follow the instructions.
Default login is "vyos", default password is "vyos". No network interfaces or addresses are configured by default.
Installation from the LiveCD
This option should work for both ESX and VMWare Workstation.