It’s impossible to translate a word when its meaning is unknown. WS might stand for workstations (ワークステーション), but it could also mean websites (ウェブサイト).
Are you asking how to convert ‘WS’ from English letters to Japanese characters? This process is not translation. To express ‘WS’ in Japanese, it is written phonetically as ダブリュエス, representing its sound. However, this writing is uncommon because people in Japan can read English letters. The Japanese language incorporates English alphabet in its written form. In other words, ‘WS’ is ‘WS’ in written Japanese.
If this inquiry is about the phonetic spelling of the two letters, W and S, it is ダブリュ and エス. If you are trying to find its meaning, it depends on the context. For example, in the context of office equipment, WS is often used as an abbreviation for workstations (ワークステーション), which are high-spec computers configured to help users perform specific tasks.