Thanks for your inquiry. After an initial test with the latest version of Aspose.Words for .NET 18.2, we were unable to reproduce this issue on our end. Please see attached output PDF (18.2.pdf (144.1 KB)). We tested your scenario over Windows 10 (with Windows latest updates installed). Please make sure that all required Fonts are installed on your machine. In case the problem still remains, could you please ZIP and attach your output PDF file here for testing? Please also tell your OS/.NET version. We will investigate the issue further on our end and provide you more information.