Pam_mount in silverblue or kinoite

I’m trying kinoite as an alternate to my current distro, but this question would apply to silverblue as well. In my current distro (debian), have an encrypted dir that I am using pam_mount to mount at login. How would one do this in an ostree setup like silverblue/kinoite? Will it allow root to add pam modules into /etc, and edit /etc/security/pam_mount.conf.xml?