Does This Baffling Cryptogram Lead To Lost Treasure?

Olivier Levasseur, also known as La Buse, was a French pirate known for supposedly hiding one of the most valuable treasures in pirate history and leaving clues to its location in the form of a cryptogram.

Credit
Charles avec Paint., CC BY-SA 3.0 http://creativecommons.org/licenses/b..., via Wikimedia Commons
Tonton Bernardo, CC BY-SA 3.0 https://creativecommons.org/licenses/..., via Wikimedia Commons
Esskay, CC BY-SA 3.0 http://creativecommons.org/licenses/b..., via Wikimedia Commons
Enrique Íñiguez Rodríguez, CC BY-SA 3.0 http://creativecommons.org/licenses/b..., via Wikimedia Commons
RootOfAllLight, CC BY-SA 4.0 https://creativecommons.org/licenses/..., via Wikimedia Commons
AurelioAHeckert, CC BY-SA 3.0 https://creativecommons.org/licenses/..., via Wikimedia Commons

Music
Anamalie by Kevin MacLeod
Link: https://filmmusic.io/song/4980-anamalie
License: https://filmmusic.io/standard-license