Instagram viewer is the purpose to tell the engagement that how many views you got on your post or how many followers you have. You can include that Instagram viewer is kind of user who view the post but we here talk about the number.
There are popular Instagram accounts in the world who have the large fan followings. Instagram’s own account has the highest followers. The purpose is simple to understand the fan base and insight view on the post. It helps Instagram to boost their work and give some more extra features to those users who have the good views on their content.
Business account is also the other option where user can check the views sorted by time, day and city. You can check the insight views on your post which can help you to build your audiences. It’s the best way to increase your growth on Instagram.