I am wondering if South Korea accepts I-327 Travel Document (US Re-entry Permit) in lieu of a passport either for visa free travel or for visa issuance purposes. Anyone has the experience?
TIMATIC states :
Korea (Rep. of), South - Destination Passport
Passengers with a travel document issued to refugees or stateless persons.
Passports and other documents accepted for entry must be valid on arrival.
Contrary to some countries (like most EU Members) South Korea doesn't recognize a I-327 with the mention Permit to re-enter as a passport replacement
For visa requirements, US PRs used to have (now paused) a transit visa exemption (going to/from the US only) for 30 days