The words "We" and "we" here refer to Peter and the apostles and believers who were with Jesus when he was on earth. (See: [[rc://en/ta/man/translate/figs-exclusive]])
"permitted many people to see him after he was raised from the dead"
# from the dead ones
"from among the dead ones." The phrase "the dead ones" refers to the spirits of people who have died. To come back from among them means to become alive again.