In Final Draft Writer, your title page is easily accessible and editable from your document.
At the top of your document's first page, click the Down arrow to expand the editor.
There, you will be able to edit your title page, name, address and other personal information.
Once you're done editing, click the Up arrow to close the editor and go back to your script. You will see your title as the header at the top of your page.
You can click the Down arrow at any time to change your title page further.
When you export your script as a PDF (see here), your Title Page will be attached to the PDF.