Update pronunciation-assessment.md

Add new locales in public preview for PA and refine the table.

Author: sally-baolian

articles/cognitive-services/Speech-Service/includes/language-support/pronunciation-assessment.md

@@ -7,17 +7,20 @@ ms.topic: include
 ms.author: eur
 ---
 
-| Language | Locale (BCP-47) |
-|--|--|
-|Chinese (Mandarin, Simplified)|`zh-CN`<sup>General available</sup> |
-|English (Australia)|`en-AU`<sup>Public preview</sup> |
-|English (India)|`en-IN`<sup>Public preview</sup> |
-|English (United Kingdom)|`en-GB`<sup>General available</sup> |
-|English (United States)|`en-US`<sup>General available</sup>|
-|French (Canada)|`fr-CA`<sup>Public preview</sup> |
-|French (France)|`fr-FR`<sup>Public preview</sup> |
-|German (Germany)|`de-DE`<sup>Public preview</sup>|
-|Spanish (Spain)|`es-ES`<sup>Public preview</sup> |
+| Language | Locale (BCP-47) | Region |
+|--|--|--|
+|Arabic (Saudi Arabia)|`ar-SA`<sup>1</sup> | UAE North  |
+|Chinese (Mandarin, Simplified)|`zh-CN`<sup>2</sup> | All Speech-to-text regions  |
+|English (Australia)|`en-AU`<sup>1</sup> | Australia East  |
+|English (India)|`en-IN`<sup>1</sup> | Central India    |
+|English (United Kingdom)|`en-GB`<sup>2</sup> | All Speech-to-text regions  |
+|English (United States)|`en-US`<sup>2</sup>| All Speech-to-text regions   |
+|French (Canada)|`fr-CA`<sup>1</sup> | Canada Central  |
+|French (France)|`fr-FR`<sup>1</sup> |  West Europe  |
+|German (Germany)|`de-DE`<sup>1</sup>| West Europe   |
+|Spanish (Spain)|`es-ES`<sup>1</sup> | West Europe    |
+|Vietnamese (Vietnam)|`vi-VN`<sup>1</sup> | Southeast Asia  |
 
-> [!NOTE]
-> For pronunciation assessment, `en-US`, `en-GB`, and `zh-CN` are available in [all regions](../../regions.md#speech-service), `en-IN` is available in Central India region, `en-AU` is available in Australia East region, `de-DE`, `es-ES`, and `fr-FR` are available in West Europe region, and `fr-CA` is available in Canada Central region.
+<sup>1</sup> Languages in public preview are only available in specified regions.
+
+<sup>2</sup> Languages are generally available in all [Speech-to-text regions](../../regions.md#speech-service).