'Scores' column will be added only when scores are associated with the review form. Even if scores are associated, at least one form in the distribution should be in 'completed' status.
x - HR user column lists all HR users involved in the review.
xi -Assigned to column shows the current assignee of the form.
xii - In the action column, click on 'view' to check answers given by reviewers. If the distribution is in closed status and you need to open the form again for an individual, you can use openoption for that. Printoption is simply to print the form. Refer image shown below ↓
Employee Success has a feature called 'reports' in administration to generate different reports around distributions and templates. However, this section on view responses page gives you a quick access to the respective distribution.