Please check Theme Options > Blog Layout.
Comments are related to WordPress default settings and they can be disabled in WP Dashboard > Settings > Discussion and for each post in Posts > Edit needed post > disable “Allow comments” http://prntscr.com/bpei3p (to display the mentioned field check settings in Screen Options as shown on the screenshot http://prntscr.com/bpehvg ).
Please read doc http://xstore.helpscoutdocs.com/article/30-base-theme-translation (the same for royal theme) and use Loco Translate plugin to translate the theme.
Feel free to ask if you have any questions.
