Step 1: Log into your Joomla 3.0 admin dashboard
Step 2:In the top menu, click Content and then click Article Manager
Step 3:In the list of articles on the page, click the article title that you want to toggle the Show Navigation setting for
Step 4:You will see several tabs above the article, click the Article Options tab
Step 5:Find the setting labeled Show Navigation. Next to it, click either Use Global, Hide, or Show. Finally, click the Save button in the top left of the page.