This refers to for Acrobat XI. Adobe released incremental updates to fix bugs, security vulnerabilities, and compatibility issues. Version 11.0.9 was launched around 2014. Later updates went to 11.0.23.
Offers excellent batch processing capabilities and powerful conversion tools designed for business environments. This refers to for Acrobat XI
Modified software often suffers from broken dependencies, leading to frequent crashes and data loss. This refers to for Acrobat XI