Wondering whether GravityView might already include, or be capable of, a system that would allow you to solicit Letters of Reference for a submitted form (like a job or grant application). For example, the applicant could list three references (email address fields) and those individuals would receive an automated email with a link to provide their reference (upload a PDF). In theory this could be set up as a View that allowed the references to Edit the original Entry, uploading additional files so their letters of reference are attached to the original application ...?