According to Catholicism, are Popes expected to receive power by the Holy Spirit to operate in the miraculous as Peter did?
The short answer is no.
However, if one is asking in reference to the administration of the sacraments then the answer is yes. I believe the OP is asking more so as in miraculous events having taken place.
Historically there have been ...
Are Catholics allowed to entertain that the Old Vulgate might contains errors?
The Old Vulgate Bible translation of St. Jerome is free of errors on faith and moral. Like any translation there may be technical error of nuance of given words or expressions that may have been translated better.
Pope Pius XII declared the Vulgate as "free from error ...
Yes, it is true.
Chapter 9 ("The Blessed Sacrament") from Jason Evert's 2014 book Saint John Paul the Great: His Five Loves reproduced here has this quote:
The Holy Father often spent hours at a time writing before the Blessed Sacrament. He explained:
I have always been convinced that the chapel is a place of special inspiration. What a ...