Hi,
Aspose is giving error while converting attached pdf file to XLSX. Please check. CATALOG.pdf (2.3 MB)
We suggest you please use the latest version of Aspose.PDF for .NET 22.12 and let us know how it goes on your side. Hope this helps you.
If you still face problem, please share the screenshot of issue that you are facing. We will investigate the issue and provide you more information on it.