With ctrl + cmd + space, macOS launches Emojis & Symbols, also know as the Character Viewer.
Is there a shortcut to launch the Keyboard Viewer?
With ctrl + cmd + space, macOS launches Emojis & Symbols, also know as the Character Viewer.
Is there a shortcut to launch the Keyboard Viewer?
There is no built-in way to use a keyboard shortcut to display or hide the accessibility keyboard.
I'm understanding your question to only be about showing & hiding the accessibility keyboard with a keyboard shortcut and not about how to use that keyboard or any other accessibility feature. If that's not correct, please edit your question or add a comment to clarify.
One-sentence answers are usually not very good but in this case there's not much more to add that would improve the answer.