No, a license is bound to one machine, so using one license on multiple computers is not applicable.
Doing this can cause malfunctions, please use the Package, and Package All features to ensure persisting functionality. See instructions and details in section Using ActiveGraf – Exporting ActiveGraf presentations.
Look for the ActiveGraf.Server.exe file in your installation folder and run it. You might need to restart your Excel and PPT applications, after saving them. The default installation path for ActiveGraf is C:\Program Files (x86)\ActiveGraf – if not set otherwise during installation.
When permanently switching computers, make sure to save your License file, then follow the instructions of this presentation, detailed in the Installing ActiveGraf section. If your computers hard-drive is inaccessible, contact your ActiveGraf Representative for the License File.