If your team is growing, you can add more people into your account, if there are many, you can import a list of new users. In case it's just a couple, you can add one by one manually.
1. Firs step, go to Settings>Users
2. Click on New Mobile User
3. User Data
Email *: Used to login, It must to be unique.
First Name *: Used to recognize the user.
Last Name *: Used to recognize the user.
Password *: Password of at least 6 characters.
Phone: Telephone number of the device that will use the application. (not required)
Permissions: You can limit the functionalities that each user can have access to.