You have the option at any time to download/print a copy of any sent or received fax from your fax history.
Login to your account at app.documo.com
Click "History" on the left side panel
Click the 3 dots on the row of the fax you want to download/print:
To print, click the View/Print option and then click the Print button after the fax opens.
To download, click the Download option and the fax will instantly download as a PDF.
You also have the option to split download, which allows you to download only the pages of the fax that you want. First click the three dots, then select 'Split download':