Go to Files tab->File name and click the view icon 
to open file in viewer.
Click on Bar code icon
on the side bar of the viewer panel.
There are 2 ways to see the bar code.
1. Click the
button to see the bar code information and then Click on the bar code icon on the information panel to highlighted the same on the artwork file in the display panel.
2.Click the 
button to see the list of options and then Click on Highlight All button to highlight all the bar code on the artwork file in the display panel.
Thank You!
Any doubts or clarification, please email us to
support@manageartworks.com