Pair assets with briefs, check versions, carry revision notes. Every one is ready to run, and you can adjust it in plain language.
Put reviewer feedback and the current draft in one revision task.
Your creator gets the reviewer's requested changes and current draft together, so they can start the next revision without chasing files.
Put each emailed draft where the creative team reviews it.
Your reviewers find campaign drafts right on their review tasks. A comment shows which version came from email.