Team member management requires a Business plan subscription and a role with sufficient access permissions. See all Roles.
Inviting a User
To invite a user, click on the main menu and select Member Management.
Select the Invitations tab.
Click the Invite Member button at the top right.
User Number Limitations
The number of users you can invite depends on the type of subscription purchased. The Business plan has a limit of 5 users. To increase the number of users, an upgrade or optional user package will be necessary.