Yes - FAQ, HowTo, Article, DefinedTerm and Organization schema materially increase the chance of being cited in AI Overviews and Perplexity sources lists.
Highest-impact schemas
- FAQPage: on every service, niche, and "ask" page - HowTo: process-style guides - Article / BlogPosting: with named author - DefinedTerm / DefinedTermSet: glossary - Organization + sameAs: homepage
Validation
Use Google Rich Results Test and Schema.org validator before shipping.