iac to analyzer png/jpeg fine. But The following error when use iac to analyze a 2M pdf

Partial Analysis Results

Error: Failed to analyze PDF files: Failed to analyze PDF documents with Al model. Error invoking Bedrock model: SyntaxError: Expected',' or ')' after property value in JSON at position 2991 (line 1 column 2992). Error analyzing question "Automated governance - How do you implement and manage automated compliance and guardrails?". Analysis stopped, 3 questions where analyzed out of 27. You can either use these partial results or try analyzing the complete file again after waiting a few minutes.