If your desired language isn't listed, you may need to download the MUI (Multilingual User Interface) version of the reader or a specific add-on pack. Always ensure you are downloading directly from the Official Adobe Download Page to avoid security risks. As noted by technical resources, these packs are vital for users who want a localized experience. Pro Tip: Font Packs vs. Language Packs

Most standard installations of Adobe Acrobat Reader DC include support for a specific set of regional languages. However, in a globalized digital environment, users frequently encounter documents containing diverse scripts, such as Asian (CJK), Middle Eastern, or Cyrillic characters. Adobe Help Center Correct Rendering