A good social media manager will use these numbers to analyse their activity and learn what content performs better. This should help in creating content the next time. And more other things.
Top Facebook Pages to Observe for Successful Social Marketing in 2020
That, regarding things like what Hubspot does.
They could basically be your coach and think-tank from new discoveries to what's hot to cutting-edge research and more.
5 Ss:Cardinal Rules of Creating Content that Sells
Remember you're competing with a ton of other content already screaming for attention from your audience. Do best to respect their time.
Messenger: The Skates to the Customer Journey
....they spend most of their time on WhatsApp and Facebook messenger than any other direct messaging platforms, which means that organisations that are working to grow their skills and territory in this are more likely to be successful than those that are not.