The Pleasant Lite free WordPress theme is build in WordPress customizer whereas the Pleasant PRO theme is build in more user friendly Theme Options panel. The PRO theme is very easy to setup and customize.
With PRO theme you can use all your previously created posts and pages. After activating the PRO theme you will need to configure your site with the post and pages using user friendly Theme Options panel.
To customizing the theme Go to the Appearance -> Theme Options
Please check the documentation
We provide user friendly support for any issues. If you have any questions regarding our WordPress theme, you can contact us through our support forum or you can mail us. Our support team is always ready to help you with any problems of customization.