You need to get the user cert from administrator. See the user guide below:
- Configure Smart Card Authentication on Horizon Connection Server
https://docs.vmware.com/en/VMware-Horizon/2111/horizon-console-administration/GUID-FA1A85D8-07B1-414...
- Smart Card Authentication Requirements
https://docs.vmware.com/en/VMware-Horizon-Client-for-Windows/2111/horizon-client-windows-installatio...
