PDF-XChange Editor[1] is a very good PDF viewer and annotator. Unfortunately, no Linux equivalent comes close, IMHO. Fortunately, it runs very well on Wine[2].

PDF-XChange Editor[1] is a very good PDF viewer and annotator. Unfortunately, no Linux equivalent comes close, IMHO. Fortunately, it runs very well on Wine[2]. [1] https://www.pdf-xchange.com/product/pdf-xchange-editor https://www.pdf-xchange.com/product/pdf-xchange-editor [2] https://appdb.winehq.org/objectManager.php?sClass=application&iId=15599 https://appdb.winehq.org/objectManager.php?sClass=applicatio...