Excel to PDF rendering - random lines and black boxes

aspose_success.png (20.0 KB)
aspose_error02.png (448.6 KB)
aspose_error01.png (574.2 KB)

version: Aspose cells Java 18.5

Random lines and black boxes appear when transforming Excel into PDF (See Red circles in Images), how can i solve these issues?
Thanks!

@Gateweb,
Please share your sample file and code snippet with us for our testing. We will reproduce the problem and provide our feedback after analysis.