In Access, I was able to set a rule where in a drop-down list I selected "Other" another column would become visible and I was able to input text. If however, I chose "Option A" in the drop-down list, the column would remain grey and not editable.
Does anyone know how to mimic this in PowerApps? Is there a formula I can input to do so? Here is a visual representation of what I am trying to do: