permission

'Edit'

Ability to edit a review's details and change the set of revisions being reviewed.

'Creator'
'Moderator'

'View'

Ability to view a review. (People without this permission will not know that the review exists.) 

Anonymous users
All logged-in users
'Creator'
'Author'
'Reviewer'
'Moderator'

'Abandon'

Ability to abandon (i.e. cancel) a review.

'Moderator'
'Creator'

'Re-Open' 

Ability to re-open a closed or abandoned review.

'Creator'
'Moderator'

'Uncomplete' 

Ability of a reviewer to change their individual review status from 'Complete' to 'Uncomplete'.

'Reviewer'

'Reject'

Ability to reject a review submitted for approval (i.e. prevent it from being issued to reviewers).

'Moderator' 

'Complete'

Ability of a reviewer to change their individual review status to 'Complete'.

'Reviewer'

'Comment'

Ability to add or remove a comment to or from a review.

'Creator'
'Author'
'Reviewer'
'Moderator'

'Approve'

Ability to approve a review (i.e. issue it to the reviewers).

'Moderator'

'Submit'

Ability to submit a review for approval (i.e. request that the review be issued to the reviewers).

'Creator'
'Author'

'Close'

Ability to close a review once it has been summarised.

'Moderator'

'Delete'

Ability to delete a review.

'Creator'
'Moderator'

'Summarise'

Ability to summarise a review. (Normally this would be done after all reviewers have completed their review.)

'Moderator'

'Create'

Ability to create a review.

All logged-in users

'Recover'

Ability to resurrect an abandoned (i.e. cancelled) review.

'Creator'
'Moderator'