Is it possible to transfer my Thai Miles to Accor hotels group
This page seems to show Accor hotels.
https://www.thaiairways.com/en_TH/rop/Redeeming/Redeeming_Award_HotelAwards_collection.page?
I can’t say I am very familiar with Thai orchid program. However, I suspect either you could transfer your miles to Accor or you could use Thai orchid miles to directly redeem a hotel stay.