With Hanmer I read not for 'now.'
"My lord, so please you, this friar hath been with him."
The metre requires this addition, which also relieves the Provost's speech from abruptness.
"Of gracious order, late come from the See."
The folio reads Sea. This wrong spelling was not unusual. In King John (iii. 1) we have 'holy Sea' used of Canterbury. As 'See' never occurs thus alone, we might read 'the Holy See,' or rather, as I have done, "the See of Rome;" "I Pandulph ... Legate from the See of Rome." (Old Play of King John.) For a similar effacement see Ant. and Cleop. ii. 4.
"He who the sword of Heaven will bear
Must be as holy as severe;