Clicking Import Account Menu will bring you a button named Login with Facebook, Simply Clicking it will start importing your Facebook account.
Allow the permission as the picture given below and You can choose privacy friends or public. It privacy is set to “Friends” the posts will be only visible to your friends. If you set it to “Public” then the posts will be visible to everyone. You should use “Public” for marketing purposes. Allow all the permission it wants and continue.
Finally your account is imported now ! You will see your pages. Now the first thing you have to do it enable page for bot connection.
Your pages will not be visible in any feature until you enable bot connection for pages.