Traduzca (using the polite from, usted)
Traducid (using the second person plural, vosotros)
Traduzcan (using the second person plural, ustedes, mainly used in some South American countries, and the Canary Islands, Spain) All of them, or any of them, using the imperative form, that is. Your pick.
Traduce - Can I/You/They Translate (Can be used as a command or request)
Traduzca - You/ Translate (Formal or Polite way)
Traducimos - We/ Translate documents (Past participle)
Traduzcan - "I want them to translate" (In second person plural)
Tradujeron - They Translated (Past plural)