Late in the evening last Thursday, Tiffany Kuhn was at her home outside Harrisburg reading an e-book on her cellphone when a notification popped up that she had an email from Gov. Tom Wolf’s administration. When she opened her inbox, Kuhn said her blood pressure “went through the roof.” The letter from the administration, sent at 9:30 p.m., informed her that the waiver she received six weeks earlier to operate her mobile notary business during the pandemic had suddenly, and without explanation, been rescinded. “Imagine my surprise,” said Kuhn, who had taken special precautions, including wearing gloves and a mask...