For word or pdf processing- does it support CKJ languages- or even east Eurpean languages?

Aspose.Words Product Family
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Chinese, Japanese, Korean

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Hello

Thanks for your interest in Aspose products. Aspose.Words supports East Asian Languages during processing and rendering to PDF.
Please follow the link to see the table which provides implementation details about how Aspose.Words saves a document in the PDF format.
https://docs.aspose.com/words/net/convert-a-document-to-pdf/
If you have any further queries please feel free to ask.
Best regards,