With ViewCompanion you can:
ViewCompanion is available as three different editions: Standard, Pro and Premium.
The Pro and Premium editions add support for raster image formats and additional features.
Please see the different product descriptions for more information:
You may find a feature comparison chart, that list the main differences between the editions, here:
A fully functional evaluation copy can be downloaded from our web site.
The downloaded software will run in evaluation mode for a period of 30 days.
ScConverter may be what you're looking for; it can easily be integrated into your application, or server, by using either the COM interface, or by using ordinary DLL import.
scConverter can convert CGM, PDF, PLT, DWF, TIFF, Gerber and other formats, to an extensive list of output formats which includes PDF, DXF, TIFF, PNG, JPG and DWF.
A complete list of supported input and output formats as well as a description of all features can be found by clicking the link below:
scConverter Conversion DLL / SDK