Reply To: Add a newsletter subscription section in the footer

Hello,

1) You can try using the widget MC4WP widget in the footer column from Appearance >> Widgets.

Screenshot for Clarification: https://gyazo.com/daaf954f0c3005fcc1037c4334aa8b68

2) You can try using the shortcode to display the icons in the footer.

[social_buttons type="share"] [social_buttons type="follow"]

Best Regards