Device CALs for licensing computers are also available. Any application that accesses the services of Project Server requires a CAL, including Project Professional, Project Web App, SharePoint sites with Web Parts that display project information, Microsoft Office Outlook integration, and third-party applications.
A Project Server user client access license (CAL) authorizes a user to access the services of Project Server from any device (for example, when an employee accesses the server from a computer at work and another at home).