Both Helix3 template and SP Page Builder can be translated, because their language layer is based on .ini files. You can also check here: https://www.transifex.com/joomshaper/public/
Template language file is here: language\en-GB\en-GB.tpl_shaper_aspasia.ini

Guide how to translate phrases from SP Page Builder you will find here: https://www.joomshaper.com/documentation/joomla-extensions/sp-page-builder#documentation-14