I remember Okular having a decent set of features. It might be worth checking out. The webpage says it supports digital signing, which is a suprise to me because that's always been a hassle on linux for me. https://okular.kde.org/
I remember Okular having a decent set of features. It might be worth checking out. The webpage says it supports digital signing, which is a suprise to me because that's always been a hassle on linux for me. https://okular.kde.org/