.NET library that adds, edits, and removes annotations and markup — area and shape annotations, text highlight/underline/Strikeout, watermarks, image and link stamps, and threaded comments — on PDF, Word, Excel, PowerPoint, images, CAD, Visio, and email files. No Microsoft Office or Adobe Acrobat required....with highlights, underlines, strikeouts, and squiggly lines, stamp...Markup : Highlight, underline, strikeout, and squiggly-mark text, replace...