Nasosoft.Documents.Pdf offers the capability to extract text content from PDF documents. You can use PdfTextReader to read text content easily. For example:
[C#]
using (PdfTextReader r = new PdfTextReader(FileName))
{
System.Console.WriteLine(r.ReadToEnd());
}
[VB]
Dim reader As PdfTextReader
reader = New PdfTextReader(FileName)
System.Console.WriteLine(reader.ReadToEnd())