Lots of abbreviations are used in the workplace and PTO is one of them, which is a popular HR perk that allows employees to take paid vacation and keep earning their usual salary but not have to work.What Does PTO Mean associated with usually combining vacation days, sick leave, and personal days into one bank of flexible leaves, which the workers can avail whenever they feel like. This practice will provide employees with the time to take breaks, personalize their lives, or recuperate after becoming ill without incurring any payment.