Here are some possible pronunciations:
* See-ock: This pronunciation follows the common English spelling rules.
* Sew-ock: This pronunciation emphasizes the "ew" sound.
* Say-ock: This pronunciation emphasizes the "ay" sound.
Ultimately, the best way to know how to pronounce "Seoc" is to ask the person who created the name or look for clues in how it's used in a particular context.