Document statuses is a feature for Business customers that allows you to set a status on documents in your workspace to indicate each document's state in your project workflow.
How to set a status on a documents
In the document editor, simply click the "status dropdown" to select a status for your document.
View a summary of document statuses from the doc list
On the documents page, you can also see a summary of statuses for all documents in your project. You can also filter by status to find the specific documents you are working on by clicking the "status filter".