Adobe strongly recommends against using Acrobat 9 Pro because it no longer receives security patches for new threats. Outdated versions are susceptible to that could allow attackers to take control of your system. Patch Overview and Performance
Adobe Acrobat 9 Pro is a legacy application that reached its . Because it is no longer supported, Adobe does not provide new security updates or technical assistance. However, many users still maintain this version for specific legacy features or compatibility with older hardware. patch for adobe acrobat 9 pro