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Yes, it is a standard Unicode font. It is designed to comply with the Unicode standard for encoding the Myanmar script. myanmar sangam mn font
When designing websites targeted at Burmese speakers, developers use the following font-family stack to ensure Apple devices default to this highly readable typeface: Are you experiencing in a specific application
You see squares (tofu) or blank spaces instead of Burmese text. Cause: Either the app is old (pre-Unicode support) or the text is actually Zawgyi-encoded. Fix: Use a converter (like Rabeyin Converter) to change Zawgyi text to Unicode. If the app is the problem, switch to Safari or Apple Notes. If the app is the problem, switch to Safari or Apple Notes
It comes pre-installed on modern Apple platforms (macOS, iOS, iPadOS) and typically does not require a separate download.