The SAP Business One user licenses are given on a named user licensing model. Each user name needs to have a license granted to it. A named user is one who has the authority to access the licensed SAP Business One.
The customers of SAP Business One can buy various types Licenses from SAP. The Licenses have altogether different levels for the different users. There are mainly 4 license user types for SAP Business One.
Limited CRM User
Limited Logistics User
Limited Financial User
Download the document to check out the details about the module-level rights.