The above posts are correct.
As PIC it is your choice, your life ( and your pax lives) if it goes horribly wrong, licence and career gone if you survive whatever you did and then have to answer to someone.
The AOC holder will not likely be held at all responsible for any infractions unless maybe it is a major crash with deaths involved. You as PIC will be though regardless.
If the boss is pressuring you and thinks its OK to go out overweight, with too little or no margin fuel, descend below minimums, you can make it before last light, go with mandatory equipment inop etc then politely tell him to take the trip instead and volunteer to stay in the office and do some of his work for the day.
Then see what he says.
If he threatens to fire you, read on.
If all else fails remember it is an criminal offence under Commonwealth law to coerce or force someone to break any other Commonwealth law.
This was the exact subject of a safety article published long ago explaining the laws and telling readers to report such behaviour to the authorities in light of the severe safety consequences.