I exported confluence wiki page into word and pdf file but I am unable to view pagebreak feature
You could create a user macro that would be invisible in page view mode, but would trigger a page break when printed. Example below.
Macro Name:page_break
Macro Title:Page Break
Description:This will set a page break before this when printing or exporting.
Macro Body Processing:No macro body
Template:
## Developed by: Davin Studer## Date created: 03/25/2016## @noparams<div style="page-break-before:always;"></div>