The portal license that I am using in my local instance are as in the photo attached:
Is added object of Application Form (section) but not the case object (should be with the name "Application Form case in the Portal) :
Related to the last question DCM does not appear in the portal section (but as you can see to the image attached the section of the task appear but no the stages one).
Hi! The pictures are not representative anyway as they are made in Old UI. The information should be still relevant though. Please check if the specific portal user has required access rights and it the object has an "SSP available " checkbox checked.
If that did not help - please contact Support individually for investigation to be held