message is rick, that make account die faston Facebook it's different all you can do is share in groups you can add people to your friend's list and message them
This might give you some ideas: https://www.blackhatworld.com/seo/if-i-can-make-189-00-in-a-day-using-facebook-you-surely-can.760255/ It's quite old so it probably won't work exactly the same in 2019, but still.
Or go hardcore with FB ads and cloaking.
Some people use FB to get free traffic and Paid (Ads).
If you are looking for FREE TRAFFIC.
Then you have to join a lot of groups in the same niche you are going to promote the CPA offer.
(Note: 1 FB account won't make you much).
Then after getting approved to the groups... Start promoting (make sure it doesn't look over spam).