Translation:We are not the bosses in this office.
In this sentence, does the 'las jefas' refer to the individuals answering the question, or the actual bosses? What i mean is, would this change to 'los jefes' if the people commenting were male, or if the actual bosses were male?
I may be wrong, but in English it this simply: We do not have bosses; and not the bosses. I do not have a boss, but never: I do not have the boss.
Duolingo employs people to read into a microphone from a printed page the lessons were printed on. It is the same as a teacher in classroom reading from a text book. Back when you were in grade school was a teacher ever switch out just because a line in a story or something was being said by soneone of the opposite sex? Whst about news journalists Do only men report something Trump said?
This is the most important thing to understand. The reader us NOT speaking for herself. She or he is juet reading from a printed page.
You asked! And that is your answer.