Each social media platform will allow you to check the engagement of each post you share such as the number of likes, comments, shares, views, etc.
Please find instructions on how to find these below:
Facebook:
Go to your Facebook page.
Click on “Insights” in the top menu
Twitter:
Log into Twitter
Click on “More” on the right-hand options
Click on “Analytics”
Instagram:
Log into Instagram
To access Insights from your account page, tap the bar graph icon in the upper-right corner of the screen.
YouTube:
Go to your channel
On the top right-hand corner click on your profile followed by “YouTube Studio”
Click on “Analytics”.