Greetings from Syncfusion.
We have created a simple sample to reproduce the reported issue “Image corrupted while converting PDF to JPEG” in our side, but the behavior is working as expected. Please find the sample in the below link for your reference.
Kindly share the following details to analyze more on this issue and assist you with the better solution
1. Simple sample/ modify the above sample to reproduce the issue.
2. Replication procedure to reproduce the issue.