For a long time pdflatex has offered the command \pdfannot for inserting arbitrary PDF annotations. However, the command is presented in a form where additional knowledge of the definition of the PDF format is indispensable. This package is an answer to the – occasional – questions in newsgroups, about how one could use the comment function of Adobe Reader. At least for the writer of LaTeX code, the package offers a convenient and user-friendly means of using \pdfannot to provide comments in PDF files. Since version v1.1, pdfcomment.sty also supports: LaTeX -> dvips -> ps2pdf, LaTeX -> dvipdfmx and XeLaTeX. Unfortunately, support of PDF annotations by PDF viewers is sparse to nonexistent. The reference viewer for the development of this package is Adobe Reader. License: LPPL Changes in v2.2: - added \pdftooltip which allows annotating objects with tooltips - allow setting of disable globally \pdfcommentsetup{disable} + \pdfcomment[disable=false]{comment} => will enable this single PDF annotation feature request by: Zvi Gilboa - added option printSOfinal printSOfinal=false will not typeset the markup text in a StrikeOut annotation if the option final or disable is used! feature request by: Marcel Dausend - revised documentation added information about escape commands in \pdfstringdef used for conversion of comments to PDFDocEncoding/PDFUnicode feature request by: Max Funk