Check typography and page geometry on another device
A Pages document can use fonts and layout options that are not available in every environment. Substituted fonts can alter line breaks and page count. Inspect the PDF on the device or viewer the recipient is likely to use.
Review headers, footers, section numbering, and footnotes as well as the main paragraphs. A small shift can cause a signature line, citation, or table label to fall onto an unintended page.