Hi and Welcome to the forum, you might want to have a look at the following FAQ which explain where everything is
Welcome to Benefits and Work You can certainly produce as much, or little, of the answers as you like on the computer. We tend to recommend printing on separate sheets and attaching them to the back of the form as trying to stick them onto the page can make it difficult to scan into the computer. If you do this, make sure that you have clearly referenced this on the text box related to the question.
May I suggest that you bookmark/favourite this on your web browser now so that you can find it easily in future? This will allow you to return with further questions or comments about your ESA without having to start a new topic each time. We ask members to keep everything relating to the same claim in one topic as it helps us enormously - and I hope you will find it useful too