Hi @Yogesh.
I believe @Andres.Aulasneo 's comment here makes sense if you are using Palm release. I have not tested the edx-atlas with Palm release.
Can you please describe the steps for this?
You should find the installation steps at edx-atlas Installation guide.
You can check feat: add en.json in frontend-app-learning by Anas12091101 · Pull Request #1 · mitodl/mitxonline-translations · GitHub If you want to look at how we installed/tested it with MFEs.