If you’re working in a high-security environment or simply have limited internet access, you might need to activate without a direct connection. While Adobe typically prefers online validation, the "Classic" (perpetual) version of Acrobat 2020 still supports an offline activation path.
What (Windows or macOS) are you deploying this on? adobe acrobat pro 2020 offline activation
How do I deactivate Acrobat 2020 offline if I want to move it to a new PC? If you’re working in a high-security environment or
Additionally, the user might be looking for alternatives if offline activation isn't feasible. Maybe suggest using a USB drive for activation or portable versions if available. Also, note if there's a significant change in newer versions. For example, Adobe Acrobat DC might have different offline activation policies. adobe acrobat pro 2020 offline activation