Okular will do this: https://docs.kde.org/stable5/en/kdegraphics/okular/annotations.html https://docs.kde.org/stable5/en/kdegraphics/okular/annotatio... I have

Okular will do this: https://docs.kde.org/stable5/en/kdegraphics/okular/annotations.html https://docs.kde.org/stable5/en/kdegraphics/okular/annotatio... I haven't double-checked to see if the poppler annotations render properly with acroread, but they are definitely saved into the PDF.