The system does not offer the option of having distinct reviews for the sub-papers of symposium submissions, and only one review result can emerge from the review process for each submission, i.e., it can be accepted or rejected entirely. Divergent results for any of the sub-papers are not supported.
However, it is possible to
copy each sub-paper into a separate submission if you enable the "Copy Submission Option".
Please go to:
Overview =>Settings =>Main Settings for Paper and Abstract Submission.
Scroll down to "Copy Submission Option" where you have the option to allow copying submissions by using "Only admins and conference chairs can create copies of submissions" (please see Image 1).
Please note that you can also use "Also Authors can use an old submission as template to create a new submission". The features of this option are described in this entry of the ConfTool Support Forum:
Allow Authors and/or Chairs to Copy/Duplicate Papers .
Admins and
conference chairs now get the option to
copy/change sub-papers submitted for a
symposium into
single papers on the details page of the submission. Here, they can click on the button "Create New Single Paper from Submission Paper" (see Image 2, lower green box).