Apr 25 09:31:23 tgn-vm-wms01 kernel: audit: type=1400 audit(1650879083.060:80): apparmor="DENIED" operation="mknod" profile="/usr/lib/cups/backend/cups-pdf" name="/var/www/tgn/webroot/files/PDF/Test_Page-job_12.pdf" pid=80336 comm="gs" requested_mask="c" denied_mask="c" fsuid=1000 ouid=1000

sudo aa-complain /usr/lib/cups/backend/cups-pdf
Setting /usr/lib/cups/backend/cups-pdf to complain mode.