If your business ever has to have any design or creative approved, then consider the Design Approval System Plugin for Wordpress. free Design Approval System Plugin. The plug in works well for any content that needs approval. Features include the ability to create a terms and conditions statement for agremeent. It also integrates with the online store platform WooCommerce (powers 30+% of all online stores.)
An alternative is Project Huddle and creates a better front end impression, but that gets the job done.