For Face Reader bio-metric device, employee's photo saved in Device can also be displayed in iClock Device Manager portal. To do so login in iClock Device Manager first, click on setting icon shown in top right side.
This will open a new pop-up. You need to select 'Show User Photo for Face Reader' option and Update the settings:
After saving the settings, employee photo will start showing in iClock Device Manager (as shown below):