If you don’t want to get those notifications, then you can disable it. Let’s see how to do that on PC, Android and iPhone.
Sign into Facebook.
Hit the “Inverted triangle” icon at the top right.
Click on Settings & privacy > Settings.
Hit on Notifications on the left sidebar.
Disable the switch beside “Allow notifications on Facebook.”
If you want to turn on notifications, follow the steps above. But enable the switch.
Android or iPhone
Open the Facebook app.
Tap on the three horizontal lines at the bottom if you’re on iPhone or top if you’re on Android.
Hit Settings & Privacy > Settings.
In the “Notifications” section, you will see “Notification Settings.” Tap on it.
Find and tap “Video.”
Disable the switch beside “Allow Notifications on Facebook.” In the confirmation pop-up, tap “Turn Off.”
Note: If you want to turn on notifications, then follow the above steps. But enable the switch.