Apps > Additional Google services > Settings for Early Access Apps > Core Data Access Permissions -> Allow users at your organization to access Google Workspace and Customer Data using Early Access apps.
This doesn't enable Bard per-se, but enables your Workspace for these new AI things, which should include Bard.
I can't access Bard on my domain account due to the existing country limitations (Germany), and I haven't tried over VPN (which I won't try).
Apps > Additional Google services > Settings for Early Access Apps > Core Data Access Permissions -> Allow users at your organization to access Google Workspace and Customer Data using Early Access apps.
This doesn't enable Bard per-se, but enables your Workspace for these new AI things, which should include Bard.
I can't access Bard on my domain account due to the existing country limitations (Germany), and I haven't tried over VPN (which I won't try).