It depends on the product, if we are talking commodities or mass produced products like groceries, sure.
If we are talking custom products or complex appliances that need a lot of guidance, then maybe chat interface is appropriate.
The problem is that the chat transcript is legally binding. If the chatbot makes incorrect statements which the customer relies on for their complex purchase, then you're going to have to refund them.
https://www.bbc.co.uk/travel/article/20240222-air-canada-cha...
When I shop for special hardware (e.g. bicycle shift gear) it is usually underspecified. If the information does not exist in the text block, a chat bot is of no use.