I wrote a VB6.0 program that my user's use to enter needed info for AutoCAD drawings. Inside this program I currently am using the Express Viewer ActiveX Control. We recently moved to AutoCAD 2004 for some users and Inventor 8 for other users. I was looking at purchasing the Volo View and use the ActiveX Control in this program to replace the Express Viewer. I was wondering can I buy just one license for use of the ActiveX control and place that ActiveX Control onto the user's machines or do I have to buy the number of licenses as the number of machines the ActiveX Control will be on. I don't really care about the actual Volo View program, I just need the ActiveX Control so that it can be embedded into my VB program. Thanks In Advance.