The "section breaks" mode is chosen as default because there may be headers and footers in the document that contain different data. Microsoft Word requires different headers and footers to be placed in different sections.
Normal Page Breaks
You can change the page breaks inserted to regular (not section) breaks by using the following parameter:
No Page Breaks
You can instruct the exporter to avoid any use of page breaks (so that the report contents are simply exported continuously) by using the following parameter:
Note that in these modes, since the generated document consists of one section, only the first header and footer pair is exported.