As an Author or Admin, you can access the assignments in the main Editor to view feedback comments, review, edit or translate content, see Comments in the Main Editor.
After a contribution assignment, it is a good idea to use the validation features in the full Editor to check the structure of the content is valid, see Validation.
Select the Dotted Menu (...) for the topic in Content Manager
Select Edit and choose Review, Contribute or Translate to open the assignment.
OR
Open the content in Review View or Edit View and then select
the Open topic in editor.