The version you're mentioning, 11.0.22, indicates a specific release within the XI (11) product line. Adobe periodically releases updates to its software to fix bugs, patch security vulnerabilities, and sometimes add new features.
Adobe Acrobat XI Pro is a professional version of Adobe's Acrobat software, which is widely used for creating, editing, and managing PDF documents. It offers advanced features such as converting PDFs to editable formats, applying advanced security measures, and automating tasks through actions. The version you're mentioning, 11
Subject: Technical Overview and Security Implications of End-of-Life Software Software Version: Adobe Acrobat XI Pro 11.0.22 Release Status: End of Life (EOL) The version you're mentioning