If you require to add any documents related to the job, it's really as easy as clicking a button.
Just click the upload button and the Drop files to upload splash screen will come up and you can either click on it to bring you to file explorer where you can then click on your desired document, or you can just drag and drop your document. Disclaimer - the max file size for each file is 256mb
Once you're file has been uploaded, update the quote, and you are presented by this neat presentation of your documents. It also shows you information about the quote like the exact time it was added and the file type.