Managing millions of tasks, Todoist is an online task management app and todo list. It has Web, iPhone, Android, Chrome, Firefox, Outlook flavors (and more!).
Your procurement owner gets a clear follow-up task when a supplier agreement still needs a signature past your target.
Your publisher can see the review decision on the scheduled entry, with a link to the approval task before taking action.
Your finance team sees the decision and next step in its task, with a link back to the bill.
Your creator gets the reviewer's requested changes and current draft together, so they can start the next revision without chasing files.