French Officers in the American Revolution
Author Christy Pichichero talks about French officers in the American Revolution. She argues that their experiences influenced French politics and perspectives. The American Revolution Institute hosted this event.
https://www.c-span.org/video/?465142-1/french-officers-american-revolution
There is an older book on Duportail entitled Brigadier-General Louis Lebegue Duportail, Commandant of Engineers in The Continental Army 1777-1783 by Elizabeth Kite, sponsored by the Institut Francais de Washington, published in 1933. I have found it useful over the years.
They may or may not have and that should be researched objectively to ascertain their political influence in France.
The number of French officers that served in North America was relatively small. Berthier was a junior staff officer on Rochambeau's staff. Rochambeau himself had been involved in the French tactical maneuvers in Normandy in 1778. He was an excellent choice to be the commander of the expeditionary force sent to help Washington.
Tronson du Coudray got himself drowned in a river crossing after irritating and alienating his American 'colleagues' with his overbearing attitude.
Duportail, an excellent engineer officer, established the American engineer arm and later was involved in establishing the French horse artillery arm. He gave, among other things, the Continental Army a corps of sappers and miners.
Baron Johann de Kalb, a Bavarian by birth, came to the US through the French army, but he was killed in action in command of the elite Maryland Division at Camden in August 1780.
The Duc de Lauzon, organized and led his Legion of cavalry and infantry and ended his career 'sneezing into the basket' of the guillotine. The cavalry of his Legion, however, became the 5th Hussars.