Accessibility issue with Burmese (Myanmar) – Character encoding error in Acrobat

Hello,

We are currently working on a file translated into Burmese (Myanmar) that requires accessibility remediation for screen readers.

The files are being processed in Adobe InDesign 2026. The translated text was copied from a Word file after first being pasted into Notepad to remove any potential hidden formatting or encoding characters.

The following settings and checks have already been completed:

• A Unicode font that fully supports Burmese characters is being used.
• World-Ready Paragraph Composer is enabled.
• The correct language is assigned at text level.
• Legacy Text Shaping for Adobe World-Ready Composer is enabled.
• The file is being exported as a tagged PDF with the correct document language assigned.

Despite all these settings being correctly applied, Acrobat’s accessibility checker continues to report a character encoding error for the Burmese text.

Could you please advise if Burmese (Myanmar) has any known limitations with Acrobat accessibility validation, or if there are additional settings required for proper Unicode character mapping in tagged PDFs?

Thank you in advance.