Of course you can, but you need to play well and have good discipline, taking into account your bankroll, since competition in poker is very fierce right now.
It is possible to make a living from poker, but today it requires much more study, discipline and bankroll management, since the level of players has increased significantly and the variance is high.
Yes, it’s still possible, but much harder than years ago. The game is tougher, variance is high, and you need strong discipline, study, and bankroll management to make a living.