I open the type reference (.chm) but each page seems to be missing?
By default Windows does not trust a .chm that originates from the internet. Right-click the help file, select 'Properties' and click the 'Unblock' button on the 'General' tab.
Can WebToPDF.NET be used on a shared web server where I am not allowed to do any machine level configuration?
Yes, WebToPDF.NET is fully verifiable (or 100% managed). This means that to use WebToPDF.NET in your ASP.NET application, you only have to copy the assembly to the bin folder of your virtual folder.
What is the difference between WebToPDF.NET and TallPDF.NET?
TallPDF.NET allows you to define content as sections and paragraphs. There are different paragraph types including the including the XhtmlParagpaph which allows you to define content as XHTML. But HTML support by the XhtmlParagraph is limited. It does not support JavaScript and it only accepts well-formed XHTML. WebToPDF.NET accepts non well formed XHTML and also supports JavaScript.
Is it possible to create high resolution PDF's, such as 300 or even 600 dpi?
All text and curves in a PDF are vector-based so resolution does not apply to these types of graphics. Resolution does apply to embedded images though. The effective resolution of an embedded image follows directly from its physical width and height (these are set by the client application) and the resolution of the image itself (this is a given).
Can WebToPDF.NET be used on 64-bit software?
Yes, any CPU architecture that supports .NET 2.0 and higher is fully supported.