To install shop, cart, checkout pages go to WooCommerce > System Status > Tools tab > press Install Demo Pages button, this is not related to our theme, very likely you skipped WC setup wizard after plugin activation. To add the shop page into menu go to Appearance > Menus > add the page into the main menu.
Chat. Chat is not included in our theme, this is for theme support and pre-sale questions. If you check the list of theme features on TF you’ll see that chat is not mentioned there.
