Hi @Chaimaa_ABD,
Add a company logo instead of elastic logo
We are tracking this request under Easy way to customize Kibana logo and theme · Issue #17879 · elastic/kibana · GitHub
Delete dashbord edit bar
This might be achievable by creating a read-only user How to Disable edit button when you share the dashboard URL
Define lucence search and delete the word "lucence" from the bar dashboard
I don't believe this is currently possible, feel free to open an enhancement request here Sign in to GitHub · GitHub
Change the language from English to French
Unfortunately, this isn't currently supported. The request for supporting French can be found under [Localization] Support for French Language · Issue #32796 · elastic/kibana · GitHub
Hope this helps!
Mike