Where do AI and automation genuinely help internal audit without weakening control over the work?

A real Reddit thread titled 'Mid career advice' raised a practical CIA or internal-audit issue that needs a cleaner decision framework than the usual forum back-and-forth. I want the exam-ready or career-ready version of the problem using the actual source signal rather than generic advice. Source context: I’ve spent about 10 years in public accounting, primarily audit. Midway through my career I moved into internal audit and advisory work, but because of staffing needs my role became very hybrid. Some years I’m almost entirely internal audit/advisory, other years it’s a split with financial statement audits (mainly NFPs