Top 4 Ways to Fix Missing App Icons on Samsung Phones
If you want app shortcuts to be automatically added to the home screen when you install new apps, you need to enable the "Add new apps to home screen" option.
If you do not see any installed applications, check if they are in the list of hidden ones.
You can also manually add apps from the Apps screen to the Home screen.
If all else fails, clear the One UI Home app data.