This thread is resolved. Here is a description of the problem and solution.
Problem: #1 Languages flags are not showing although languages are enabled #2 How to translate visual composer
Solution: #1 Just enabling the languages will not show the flags on the pages, you will need to translate the page completely too, so if the flag is not showing on some pages, make sure to check if the page is translatable.
Relevant Documentation: https://wpml.org/documentation/translating-your-contents/page-builders/
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