Actually, the Crystal Reports would be interfacing may be interfacing with Business Vision (not written in VFP).
The scenario might be something like we write 10 reports in total. Client A wants to license 5 of the reports whereas client B wants to license 1 of the same and another 2 of those 10 reports.

>>Are there any tools available that will allow me to prevent piracy of reports that I design?
>
>I put all my crystal reports into a zip file named 'reports.dll'
>and then unzip the report I need on the fly and delete the file when done.
>
>Not absolute security by any means, but it keeps most people out.