title: Best Server-side .NET PDF editing library
body: <p>What's the best .NET PDF editing library available, and why?</p>
  
  <p>It needs to be used on an IIS web-server.
  Specifically, I need to edit a PDF which was generated by reporting services.</p>
  
  <p>Factors I'm interested in:</p>
  
  <ol>
  <li>Speed</li>
  <li>Memory Consumption</li>
  <li>Price</li>
  <li>Quality of documentation</li>
  <li>Library stability</li>
  <li>Size of library</li>
  <li>Whatever else you think is important</li>
  </ol>