Winning Europa League is not easy but it is a more realistic task for them than ending in Serie A top four. They don't have to chase any club in Europa League and task is beating each opponent to the last one in final match. Juventus have enough good players and a very experienced coach in cup format, Allegri that can help them lift Europa League.
Winning the Europa League title has become much more difficult this season. And this season's Europa League has been very competitive. Several top-tier teams are now playing for the Europa League title. Arsenal, Manchester United, Union Berlin, Juventus, and Roma. There is no way to call any team weak. Every team is in good form now. And so far every team has the potential to become champions. As many big teams are fighting for the title. So it becomes difficult for any team to become champions this season. Juventus have a good squad. Even then, there is no way to say for sure that the Juventus team will be the champion.