Problem: You have translated a custom post type such as an Animated Column, a Client, or a Tab Slider (non exhaustive list), yet, it is not showing up on the website in the translation language.
Solution:
Unfortunately, some elements (that we call Custom Post Type or CPT) do not work 100% seamlessly with multilingual content.
To have the Custom Post Type appearing on your translated page, go and edit the page in the main language (e.g. English) and make sure to add the CPT in ALL available languages. For example, if your website is available in English and French, make sure to add the CPT in both English and French on the main page.

Example of Animated Columns where the CPT are added for each language (French and English). As you can see they seem to be added twice, simply because there are 4 elements, 2 languages, which makes 8 elements.