Hello, I want to write with the Thai police in a pdf. How do I do that?

Thank you for your message.
The problem occurs when I need to fulfill a form from the canadian
immigration.

I got this error msg: "Module de prise en charge des polices requis pour
exécuter cette action dans le formulaire"

Through the help center I didn't find a way to fix this issue.
On my computer i can use Thaï writings but not in the adobe doc.
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Best Regards
Christian Marchal
+33 (0)7 71 93 32 08