Editors can review, but most often will assign reviewers. They are the communication link with the author. They review the reviewer's report and determine approval. Editors can also view applications that come in for new authors and reviewers. Reviewer Reviewers must first apply and be accepted as a Clearinghouse reviewer.
Reviewers review the problems and write a report.
They do not communicate with the authors, they only report back to the editor level. There will most likely be only one or two Super Users. Manager assigns Editor. Editor assigns Reviewers as needed. Manager converts MS Word text document to .pdf format.