Even if Juventus can win against PSG in the last match of the UCL group stage, the loss is PSG where PSG has the potential to drop one position from the top of the group standings to second place because Benfica also has the potential to win against Maccabi Haifa in the last match of the UCL group stage. After all, Juventus will also not advance to the next round even though they won in the last match of the UCL group stage.
For Serie A, Inter Milan and Juventus are ranked very close in the standings at the moment, but in this case I see Inter Milan are still slightly better than Juventus this season. So for the two matches that Juventus will face in the near future, it is not at all an easy match for Juventus even though both matches take place at Juventus' home.