Differences between INM Impressario and Adobe Acrobat
While INM Impressario uses the Adobe PDF Library, it does not behave identically to Adobe Acrobat or Adobe Reader. In some cases INM Impressario offers enhanced functionality, in other cases the functionality in question can be achieved via callback handlers in Director.

Special considerations:

• Plug-ins, such as QuickTime™ and Flash™, are not supported
• Impressario displays images on screen in RGB color. PDF documents created for print, using CMYK color may appear differently in Impressario. (Please see the PDF Enhancer for a tool that converts PDFs to RGB colorspace.)
• Alpha channel in PDF documents is not supported
• PDFs that are encrypted are not fully supported (hyperlinks do not work)
• PDF document pages that contain large, high-resolution images (1MB) may be slow to display and interact with
• JavaScript actions encoded within PDF documents are not supported, except for hyperlinks. The workaround solution is to use Impressario Events, and perform the equivalent actions from Director
• Most high - ASCII characters are supported for text fields. However, there are a few rare exceptions. Please see the list of unsupported characters for more precision
• Double-byte characters are not supported for form fields
• The character limit for single-line text fields is 253; for multi-line fields it is 1024.
• The ReplaceImage() method, used to customize bitmaps within your PDF documents, requires the definition of "containers", which are only supported with Acrobat 6 and higher. The image to be replaced must be a raster (bitmap) image; vector images are not supported
• For Shockwave deployment, we recommend high-speed Internet access. The Impressario Xtra Verisign package is between 4MB and 5MB and, in addition to that one-time download, you need to take into account the download time for each PDF document displayed
• In Shockwave on Mac the Find dialog box is not supported - it does not appear

If your project requires something specific, which is not supported by the commercial version of INM Impressario, please contact us. We may be planning to enhance the product in the near future, or we may be able to customize INM Impressario to meet your requirements.