Ability to edit a specific database

Power BI can be used in meetings using basically any kind of data displayed in a professional more user friendly way. This gives a better visualization of a pre existing website, portal or any other source added with extra information that may be pertinent. In this context, it may me interesting to be able to add information to a pre existing database so that important remarks from the meeting and to-do lists can be inserted on the fly. It can be implemented in a form (fancy way), or just to be able to insert the data/comments in the raw database in the Power BI application would do the job. Now we use Excel to do it... but I see all of it using just one app, because after that we use this sabe excel database to go back to Power BI to give the status of the task from previous meetings. PS: Sorry or my bad rusted english.