Yes. Your automated messages and comment replies are fully customizable, so they can be written in Spanish or any other language.
Messages and comment replies
Go to your Messages settings: https://www.scaledcreator.com/messages
Edit your DM messages and comment reply text into the language you want, then save. The automation sends them exactly as written.
Keep the variables such as {affiliate_link} in the template. They tell the system what to insert in that part of the sentence.
Captions and hashtags
Captions and hashtags can be translated too. Go to Post Settings https://www.scaledcreator.com/post-settings and look under the Caption Language header.