Part of macOS
AXVisualSupportAgentAccessibility visuals
○ Leave it
Supports visual accessibility features.
What it is
A small helper for accessibility features that change what’s on screen.
If you stop it
macOS starts it again straight away. Leave it.
The verdict
○ Leave it. Part of macOS, or something that starts again by itself. You never need to close these.
In Activity Monitor
AXVisualSupportAgent
From Procession’s guide, in the words the app shows.