CATII man land - in my experience has not been permitted by the CAA on 737s. You appear to be allowed?
Classic - "the autopilot shall not be engaged below 50 feet AGL." - not seen that in my time. 150/140 yes
"For airplanes operated under FAA rules:
For single channel operation, the autopilot shall not be engaged below 50
feet AGL.
For airplanes operated under CAA rules:
The Minimum Use Height (MUH) for single channel autopilot operation is
defined as 158 feet AGL."
Is this the actual wording in your Ops Manual limitations section?