Users manage Companies that contain Invoices, Customers, etc.
Akaunting ships with fine-grained permissions feature. The Users page lets you customize which users can access the admin side of Akaunting, and what pages can be accessed or modified by them.
Akaunting ships with multi-company aka multi-tenant feature. This is where the accounting records such as invoices, customers, etc. are being kept into.
Invoices, customers, items, and other accounting records are created per company.