It is the Footer.
footnote
Maybe the number of the page?
At the top and bottom of each page.
Footer
Text that appears at the bottom of each page is called a footer.
Footnote is printed at the end of the document and Footer is printed at the bottom of each page.
When the document ends on page 30, and the page number is at the bottom of the page.
If they appear at the bottom of the page(s) of the document it could indicate the signature line.
A footer is text and/or graphics that appear at the bottom of a document. A header is text and/or graphics that appear at the top of each page. A header and footer can contain your name and the date on each page.
footnotes
It's the footer.
Status Bar
Bottom center of page