To Change the Page Setup of One or More Sheets in a Drawing Set for Publishing
Click File > Batch Publish.
In the Publish dialog box, ensure the sheets for which you want to change the page setups are listed.
Select one or more sheets in the list.
Right-click the selection. Click Change Page Setup.
In the Page Setup list, select a page setup to apply to the drawing sheets.
Note:
Change the page setup for each layout depending on your desired output. Model space page setups can only be applied to model space sheets; paper space page setups can only be applied to paper space sheets.