Data visualization is a pictorial or graphical format of the presentation of data. This graphical representation helps decision makers to see analytics presented visually. So, they can get difficult concepts and identify new patterns easily form the data.
On the other way interactive data visualization helps to drill down into charts and graphs to get more details and finding insights very easily. Actually, visualization delivers fast answers to your complex questions from data.
“The great value of a picture is when it forces us to notice what we never expected to see” — John W. Tukey