Of course, Mourinho won't let them lose, Roma will struggle enough in Serie A, and they will target the Europa League trophy at this time. Mourinho knows exactly what he has to do for it all.
If Roma get to the finals, I will bet fully that Roma will win against whichever team they face. The special one has been in the finals of many competitions as coach of the underdog team but somehow with his brilliant coaching tactics, he does the job even if not cleanly, but he does the Job. I will like to see Roma win the Europa for the sake of the coach, the players and the supporters of the club who have believed in them.
Mourinho has been in this kind of situation severally and he came out victorious. I remember when he had such a situation with Manchester United that he either wins the Europa League or he will not be in the next season's champions league. That is the situation now, and I believe his attention is in Europa League and funny enough he knows how to play home and away with his defensive tactics and also he knows how to play finals. So, Roma's chances to success in the Europa League is very high.