in florida i just recently put my two week notice IN and i have 82 hours of pto left and they are saying i am supose to use it or lose it > dont they have to pay me for it as in my offer letter that was signed it dosent state that i lose it ? l also have

i signed an offer letter 8 monthes ago and two points one was a sign on bonus to be paid 1250 per quarter to make a total of 5000. it dosent say if i leave i lose it as i signed with them and no where on offer letter does it have a time i have to stay with them for. also i have 110 hours on offer letter of pto . again no timetable can i lose it without them paying me for it even if they signed offer letter .. they also refused to let me collect tips when i was there as every other manager does because they said i make to much .