A family of Microsoft word processing software products for creating web, email, and print documents.
You do NOT need to use multiple Sections to achieve what you are after.
Each Section of a document includes a number of headers - First Page, Primary, Even Page, Odd Page
In your case, you need to set up the header for your following pages and then click on the Different First Page button in the Options section of the Header & Footer Tools Design tab of the ribbon and in the empty pane that then appears, set up the information that you want to appear on the first page of the document.