If you want to check you incoming fax, you need to click at "My Number >>> My Faxes". See the example below.
Now you have choice to which day fax you want to check. You can select dates/weeks/Month. Then select a VPL number where you have active your fax receiving service. Select one and click on "Go>>".
Now you will see fax log of your virtual number just click DOWNLOAD it. Enjoy!
How to enable my virtual number to receive faxes