Project homepage
>Click Documents for Approval
>Add the document name
>Select the type of document from drop-down list
>Upload document by browsing it from your computer
>Comment
>Click on Send for Approval

Adding a comment to the document: You can post a comment on the document by typing in the Comment field.

Type of documents can I add to my project
Any Drawing, Picture, Invoice, RFC, RFI or any other type of file can be added from your computer.