pdf reader для linux - SERP Analysis

https://www.reddit.com/r/linuxquestions/comments/1apln4w/whats_the_best_pdf_reader_for_linux/

https://forums.linuxmint.com/viewtopic.php%3Ft%3D413322

https://itsfoss.community/t/the-state-of-pdf-readers-on-linux/12798

https://linuxconfig.org/best-pdf-reader-for-linux

https://xodo.com/pdf-studio/free-pdf-reader

https://www.foxit.com/company/press/230.html

https://www.qoppa.com/pdfstudioviewer/download/

https://linuxsystemcomputers.com/desktop/linux-best-pdf-viewer/

https://okular.kde.org/

https://www.investintech.com/resources/freetools/slimpdfreader/