Your team is building an AI-based recommendation engine using sensitive customer data that includes names, phone numbers, and financial account details. To meet global privacy regulations (such as GDPR and CCPA), your team must ensure that personally identifiable information (PII) is automatically detected before any data is processed for model training. You also want the ability to generate reports, mask sensitive fields during preprocessing. Which AWS service is best suited to help detect and manage PII in your AI datasets before training?