“Page/Post Editor Restrictions” is shown at user profile only for user who really can edit posts and/or pages. Thus,
1st, provide for a user edit access to the pages which you plan to allow him to edit.
2nd, add edit restriction criteria.
Sure, URE does not restrict access to content for users with ‘administrator’ role, thus, it does not show “Posts/pages edit restrictions” section at such user profile.
If you need apply edit restrictions for such power user, grant him custom role with less permissions.