Designer
Chart FX for Reporting Services design-time components are licensed on a per-developer basis. The license agreement permits you to use one (1) copy of these components on a single computer. If you need to install design-time components in more than one computer, you need to obtain an additional designer license per each computer.
Server
Chart FX for Reporting Services server components are licensed on a per-server basis for deployment, regardless the number of processors (CPU's) in that server. The basic package includes one (1) License for deployment on a Production Server.