Images in low quality when converting from excel to pdf

Hello,

We are having a problem with the image resolution by converting an Excel file to PDF via Aspose.Cells for Cloud APIs.
Here are the save options:

true
true
false
None
220
100
false
Pdf

Here is the excel file we are trying to convert: Dropbox - Preventivo-NOA-v2-St240_b.pdf - Simplify your life (I could not attach the excel file to this as it is not authorized).
And here is the converted pdf file: Dropbox - Preventivo-NOA-v2-St240_b.pdf - Simplify your life

As you can see the images in the pdf file are in low quality.
We tried to change the desiredPPI and the jpegQuality parameter in the pdf save options but it does not help.

Is there any way to have the quality of the images in the converted pdf file better?

Thanks,
Tuan

This topic has been moved to the related forum: Low image quality in Excel to PDF conversion with Aspose.Cells Cloud API - Free Support Forum - aspose.cloud