To use different page numbers or formats in different sections, create Page breaks and set page number for each.
The following shows an intro with lower case Roman numerals. You can use any other format instead.
Tip: To see section breaks and other formatting marks, go to Home and select Show/Hide (¶) to turn on the display of formatting marks.
The following shows an intro with lower case Roman numerals. You can use any other format instead.
Note: Headers and footers are linked separately, so if your page number is in the header, turn off linking for headers. If your page number is in the footer, turn off linking for footers.
For more info on page numbers, see Page numbering in Word.