Can I turned off voting panel for all posts or pages?

Yes. You can easily turn ON/OFF the voting interface for posts or pages or any custom post types from the plugin options panel. Please check the following steps-

Step 01:

Navigate to WordPress admin panel >> Voting Manager >> Option Panel.

Step 02:

Then click the Post Type Settings tab. You will get all registered public post types, including posts and pages.

Step 03:

Turn ON/OFF for the required post types you would like to display in the voting panel and Save the settings.