Dear user,
Only the designer/updater needs to buy BeGraphic.
Users (who consume data visualizations built or updated by the designer) don't have to pay.
It's logical because the work done by BeGraphic is to update shapes' attributes (color, border, lenght, angle, pattern...). Therefore when the update is done (by pushing the button "GO!" if you didn't choose "automatic update"), the data-driven diagrams, charts, graphics, images... are not anymore ruled by BeGraphic. They rebecome simple files inside PowerPoint or Excel.
To make you understand by using an image (obvious for a dataviz product, isn't it?),
BeGraphic is the "zoombies' master" of dead images (making them becoming alive when you change your sources: new data or updated colors from conditional formatting).
Remember Michael Jackson in Thriller ? http://www.youtube.com/watch?v=jQ_ExkfcBaoSo BeGraphic transform any unchanging static picture into a dynamically data-driven chart. - The main advantage is that you can send your PowerPoint or Excel files to anybody without needing a run-time.
We will send you an offer in two weeks (still in march 2012) for the version 2.0, including for a 5-designers pack.