Online stores
When a shop keeps product and shipping pages current, the bot can field 'is this in stock' and 'do you ship to my area' from that material instead of leaving those questions only in a support inbox. Catalogs and policies change often, so recrawl when they do.
Schools and educational sites
Admissions and fee questions repeat every term, often from parents contacting the same office by phone dozens of times over a short admissions window. A chatbot that has read the admissions and fees pages can take those repeating questions, so staff can focus on applications that need a person's judgment.
Service businesses and agencies
A chatbot that has read the services and pricing pages can answer 'do you do X' and 'how much does Y cost' from those pages, including when nobody is at the desk to reply to a contact form.
Real estate and property listings
On listing and financing pages, a chatbot can answer after-hours questions about availability or service charges from what you published, so a late-evening visitor is not waiting until the next business day for a basic FAQ.
The common thread
In every case, the bot is only as good as the content it has read — success comes from businesses that keep their site content accurate and occasionally review real conversations, not from the technology alone doing all the work unattended. The businesses that treat it as a living tool rather than a one-time install consistently get more out of it.