Your access to Pro will pause at the end of your current billing date. It will resume 1, 2, or 3 months from that billing date and you will be charged at that time.
Example: Your last billing date is August 9, 2018, and you request a 2-month pause on your account on August 18, 2018. Your access to Pro will pause on September 9, 2018 (your next billing cycle) and resume on November 9, 2018. You will be charged on November 9, 2018, when the pause is complete.