If you are already using this version, here are the steps to manage its core "Multilanguage" features: Adobe XI Pro | Community
Convert PDFs into fully editable Microsoft PowerPoint, Word, and Excel files while preserving original layouts. E-Signatures: Adobe Acrobat XI Pro 11.0.6 Multilanguage -ChingLiu
By the time version 11.0.6 rolled around, Acrobat XI was a mature, stable product. It bridge the gap between the clunky interface of the mid-2000s and the streamlined, cloud-centric Creative Cloud era that followed. If you are already using this version, here