If you use the same account on the different workstations, you can enroll it on the one workstation and use it for the all computers with this account.
Don't forget to install Hideez Client on the all PC and connect it to the HES.
In the Authenticator you have to switch the "Roaming Account" option when you enroll password-based unlock account or you can edit this option in the account settings after creation:
Please, note: the roaming feature applies ONLY to the unlocking feature with password-based accounts. You can lock only that workstation on which the Authenticator was enrolled.
