The court clerk, or his or her assistants, are not able to provide any type of legal advice. The level of input and questions answered by the clerk will vary from county to county throughout the United States. Some are limited to court procedure advisement and others are not even permitted to answer any questions at all.
No matter what, the court clerk will be the one facilitating the divorce, so they are essentially are in control when in comes to pro se divorce filer wants to do is get on the wrong side of the court clerk.