In RIVO, The admin user of the organization can setup the organization's tree and add users.
Users can be added to the head quarters or to sub unit (s) of the organization. 
A user can belong to several units. 
 

To create the Organization users, Go to the Administrator menu and then select the option Organization Structure.

Either start with the head quarters , or if being added to a unit, select that unit first then click on Add User option.

A small input dialog box displayed with the following information details for the user:

• First Name - This field is Mandatory. Please provide the First name of the user.
• Last Name - This field is Mandatory. Please provide the Last name of the user.
• Work Email - This field is Mandatory. Please provide the Work email of the user.
• Work Phone - Please provide the Work phone number of the user.
• Role - The following role specification is allowed for each user:
  - Processor.
  - Approver.
• Data access - The following data access is allowed to each user:
  - Unit Only.
  - All Organization.
• Sign level - Each user will be designated to a specific sign level (A/ B/ C)
• Organization Unit- Selection of list of Unit access to User.

See also What is an Organization Structure in RIVO?