You can invite your colleagues and manage their permissions to use Gboard and Spaces app.
Invite a Staff
You can invite others by:
Go to Teams
In the input field, type the email address you want to invite
If we find a match we suggest them to you
Once finished typing press the "Add" button
Set the permissions
Press the "Send Invitation" button.
They will get an email with instructions.
You can always change the permissions after they are added.