Once you've added text or other content, drag the arrow above it to move your content around the document.
To resize, just click the tree icons.

Move and resize content is just one of the many powerful PDF editing features PDFfiller has to offer.

Learn more here: https://www.pdffiller.com/en/functionality/64-modify-edit-revise-rearrange-pdf-word-powerpoint-notepad-document-form-application-file-contact-online-editor-fax-sign-send-email-deliver-store-share-collaborate-pdffiller