The key elements of performance evaluation under ISO 9001:2015 include monitoring and measuring processes, assessing customer satisfaction, conducting internal audits, and ongoing management reviews of the Quality Management System (QMS). These elements ensure that the QMS is functioning well and help identify areas for improvement.

To incorporate the findings into management reviews for continual improvement, organizations should:

1. **Evaluate Performance and Effectiveness**: Regularly assess the performance and effectiveness of the QMS through monitoring, measurement, analysis, and evaluation.

2. **Use Internal Audits and Management Reviews**: Utilize internal audits and management reviews to analyze the extent to which quality objectives have been met and to identify areas for improvement.

3. **Identify Opportunities for Improvement**: Based on the evaluations, identify opportunities for enhancing customer satisfaction, process efficiency, and product quality.

4. **Implement Actions and Monitor Effectiveness**: Implement actions to achieve the identified improvements and monitor their effectiveness to ensure continual improvement.

5. **Document Activities**: Document these activities as evidence of the commitment to continual improvement, integrating them into the organization's culture and operational practices.

By following these steps, organizations can effectively use performance evaluation findings to drive continual improvement in their QMS.