When a table report section is added to Nova Report Center, sometimes there can be too many columns to see them all in the current browser window.
Over on the right hand side of the column headings, you can click to see those extra columns. Click the three dots (…) to bring up the list of additional columns. Values for that column will then be displayed in a pop-up window, and you can decide if you want to drag them into the list of columns which are visible.
For more information on tabular data in Nova, click here.