You can add links to that section by clicking “more” and “customize this section.”
I still do not understand which integrated wiki area you are referring to. Every post can be a wiki, and I don’t think there is any default area for them. There is a category setting to make the first posts of a topic a wiki automatically when they are created. Configuring wiki settings
@NateDhaliwal’s question was related to /faq (FAQ - Discourse Meta), which is only created after entering a company name. Is that what you mean by FAQ area?