It’s possible. Boiling water does have the ability to melt or loosen clogs. However, it’s not the most effective solution. Instead, try to remove the clog with a plumber’s snake.
If you can’t reach the clog, you can try removing it with boiling water.
Access the drain pipe and pour boiling water into it. You might notice the clog start to dissolve.
Be careful to not burn yourself with hot water.