Under Review

Then, end-users scan tokens and obtain passcodes using Sophos Authenticator or any third-party authenticator.

Seems to only work with the Sophos Authenticator. Google Authenticator and DUO do not recognize the QR code

https://docs.sophos.com/nsg/sophos-firewall/18.5/Help/en-us/webhelp/onlinehelp/nsg/sfos/learningContent/AuthenticationConfigureTwoFactorAuthentication.html