I don't see why such use would be illegal : a) you don't create any plug-in's, b) you don't use IAC, but ANAL.
>I did that successfully in testing just now but I just discovered that it may not legal. The Adobe 6 End-User license agreement states:
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>You are not authorized to integrate or use the Software with any (a) plug-in software not developed in accordance with the Adobe Integration Key License Agreement or (b) other software or enhancement that uses Inter Application Communication (IAC) to programmatically interface with the Software for the purpose of (i) creating a file that contains data (e.g., an XML or comments file), (ii) saving modifications to a PDF file or (iii) rendering a PDF file in such other software's application window.
>
--sb--