If you are using Adobe Acrobat Pro XI on a Mac to edit PDFs please refer to our Adobe Acrobat Pro XI for Mac: Commenting on PDFs support solution for further guidance.īelow is a breakdown of some key tools you may use to provide comments, suggestions, edits, and notes within a PDF document. This support solution will provide guidance on how to enable commenting on a PDF using the Adobe Acrobat DC software. Solution home General Software Adobe Acrobat DC: Commenting on PDFs