The short answer is no, because page breaks are inserted by a rendering engine not defined by the .docx file itself.
<w:lastRenderedPageBreak> XML, , , .
, ( , Word ) , , , Python. python-docx lxml (, w:document/w:body), XPath -, , , , .
Windows MS Office API, - , Word.
python-docx, , ( ). w: lastRenderedPageBreak ; , .
"lastRenderedPageBreak" / " python-docx", /, .