I have the same problem with Elementor. If I disable Elementor the page shows the translation. When Elementor is active only the Title is translated.
Wordpress 5.4.2
Elementor 3.0.11
PLUGINS
All-in-One Addons for Elementor – WidgetKit 2.3.7
Contact Form 7 5.2.2
Falang multilanguage for WordPress 1.3.3
Kirki Customizer Framework 3.1.5
Post Types Order 1.9.5.2
Really Simple SSL 3.3.5
Yoast SEO 15.0
I can give you more details by email.
Thanks.
