With version 13.1 or newer, the following errors when ripping a PDF, EPS and PS file (Raster images rip fine) could occur:
Under MacOS Catalina or newer Caldera requires full disk access for the following files:
/opt/caldera/bin/calbridge
/opt/caldera/bin/calserver
/bin/sh
The following article explains this in detail:
Version 13.1 or newer and MacOS Catalina/Big Sur granting Caldera RIP full disk access
Once set, restart services using CalderaDock (Reboot would work too)