Comment by Jedd
As someone who's been using KDE's Okular PDF reader for nearly twenty years, and also has to use Adobe's products - can confidently say that at least one answer to your question is 'The developers of KDE's Okular'.
As someone who's been using KDE's Okular PDF reader for nearly twenty years, and also has to use Adobe's products - can confidently say that at least one answer to your question is 'The developers of KDE's Okular'.