SEO for Custom Post Types
The default setting for this is Enabled, this is so that All in One SEO Pack will work for any Custom Post Type that may be created by your theme or active plugins. If you do not want to use All in One SEO Pack Pro with any Custom Posts Types on your site then select Disabled and click the Update Options button at the top or bottom of the screen.
SEO On Only These Post Types
Here you can select which Custom Post Types you want All in One SEO Pack to work with by checking or unchecking the boxes next to each Post Type. By default, only the standard WordPress post types of Posts and Pages are checked.
SEO On Only These Taxonomies
Here you can select which Taxonomies you want All in One SEO Pack to work with by checking or unchecking the boxes next to each Taxonomy. By default, only the standard WordPress Taxonomies of Categories and Tags are checked.
*This feature is only available in All in One SEO Pack Pro.
Enable Advanced Options
Enabling the Advanced Options will display advanced options for controlling Custom Post Type and Custom Taxonomy title formats.
Custom Titles gives you the option to manually set the format for the Title tags for each of your Custom Post Types and Custom Taxonomies.