Evaluation of experts is needed for learning materials to ensure they are accurate, comprehensive, and pedagogically sound. Experts bring specialized knowledge that guarantees the content is current and reflects the latest advancements in the field. They also assess the materials' alignment with educational standards and learning objectives, ensuring they are appropriate for the intended audience. This evaluation enhances the quality and effectiveness of the learning materials, supports the credibility and reputation of the educational institution or program, and helps in identifying and addressing any potential gaps or inaccuracies. Ultimately, expert evaluation ensures that learners receive the best possible education and resources.