Although the Ad Preview and Diagnostics Tool is a powerful and useful tool, you should use it sparingly because it directly affects your campaign results and budget. Bing Accreditation Exam November 8, 2018July 31, 2020Editorial StaffLeave a Comment on Although the Ad Preview and Diagnostics Tool is a powerful and useful tool, you should use it sparingly because it directly affects your campaign results and budget.TrueFalse