Greetings, ALATOWER,
Providing that LVP is in force, and the Aircraft and crew are AWOPS (All Weather Operations) certified/qualified and that the civil aviation authority of the destination Airport, has given the airline permition to operate under LVP
CAT II providing that when you reach the DH you have visual clues in sight in such a way that you can assess that a safe landing can be made, if you which this landing to be made manually then you can do it manually, if you wish to use autoland then use auto land.
CATIII operations are based on an approach to touchdown using the autoland system.The only exeption is HUD equipped aircraft certified CAT III with manual landing, B737 is one of them.
BTW you have very nice country, landscape is breath taking
and you guys you party like crazy