Combodian language font support

while rendering the pdf of the below document in combodian language the generated pdf file is invalid, what font should be used for correct rendering of the file.

We use aspose.promise

fc4293c2-b082-4faf-9487-66dc198547ba-67004004303800-IIN[62]_CONVERTED.pdf (150.4 KB)

67004004303800-IIN[62].docx (112.1 KB)
fc4293c2-b082-4faf-9487-66dc198547ba-67004004303800-IIN[62]_CONVERTED.pdf (150 KB)
67004004303800-IIN[62].docx (112 KB)

Thanks for your query.
Let me check your document, and I’ll share the missed fonts.

The document seems to have missing fonts like SimSun-ExtB, so please check all the fonts you need in the document and upload them to storage, then pass the font folder path to the API method