The key features of PdfDocumentSource are as follows:

• Load PDF
  Load PDF documents from both files and streams.
  
  
• Export PDF
  Export PDF documents to HTML or image formats, such as as JPEG, TIFF, etc.
  
  
• Print PDF
  Print the loaded document to default or specified printer.
  
  
• Font support
  Most PDF features, including embedded fonts, are supported.
  
  
• Search PDF
  Search for text in a PDF document from code.
  
  
• Independent of third party software
  Does not depend on third party software, such as Acrobat.
  
  

Limitations of PDFDocumentSource

• PDF Type3 fonts are not supported.
• Pencil marks are not supported.