From the dashboard -
Click the Upload a PDF button:
You will be taken to the Upload PDF screen:
Select the Template, you can choose from Either New or Existing template:
Name the template, if it is a new template. Skip this step If it is an existing template.
Name the edition
Uncheck the TOC import button if you do not wish to import a TOC from the PDF. Leave it checked if you do wish to import the TOC from the PDF.
Check the Import Comments button if you wish to import comments in the PDF along with the PDF.
Browse for and load your PDF file
Press the Upload button to upload the PDF
Now your PDF is uploading! You will be taken back to the Dashboard to watch the upload progress and continue with designing your edition.