Hi Joey. Thanks for asking about our PRO add-on‘s recurring events.
I think you’ll find the answer to your first question at https://theeventscalendar.com/knowledgebase/pro-recurring-events/#exclusions
For your second question, yes, when viewing a single event that’s part of a recurring series, the “Break from Series” option will be available. You would then be able to delete that single recurrence. Here’s a screenshot to give you a better idea:

Let me know if there’s anything else I can answer for you about PRO recurring events.