You can use Instagram insights to view metrics related to organic and boosted posts. Insights are free and available only for business or creator accounts.
View Insights on your Instagram Posts
To view insights on your posts:
- Go to your Instagram profile.
- Tap a post you'd like to view insights on.
- Below the image, tap View Insights.
Now, you'll be able to see how many likes, comments, saves, and shares your post got. You'll also see other Engagement and Post Interactions metrics, such as Accounts Reached.