Attempting to translate a 22 page traditional Chinese PDF document (using either Detect Language or Chinese - Traditional as the input language and English as the output language results in failure with the message: Processing failed. Please try again.
Trying again repeats failure with the same message. Other translation services succeeded. Text excerpts from the document translate correctly using the text translation service. In fact, the document has a length of 22,795 so the whole thing cannot be translated in one go by text, but the first and last 20,000 characters can be translated without issue using the text translation service.
Screenshot of error on desktop:

Attached is the document:
Utilising the document translation function with this document and either Detect Language or Chinese - Traditional should return the document, translated into the target language.