Does "launch our own idea" mean "provide our own ideas" ?
I found this can mean send or begin but I think here it means provide idea. https://dictionary.cambridge.org/dictionary/english/launch
but they do form a springboard from which we can launch our own ideas about succession planning Here is the link.
Yes, it does mean that in the text.
This is the kind of business speak where the author tries to sound eloquent but to me this style is just posturing, grandstanding. One can launch a boat for the first time, or send a rocket into space. These are grand events. Later, these positive associations have been exploited by marketers repurposing the word launch to make the introduction of their products look significant. In your context, they don't even do this, it's basically just brainstorming what the author means: we'll throw around ideas relying on the framework found in the existing literature.
