If Boolean would not working for you ...
- take a black&white screenshot of your text
- drag& drop into viewport (it became Empty object)
- search Trace Image to Grease Pencil
- Search Convert Grease Pencil > Mesh
- Fill Alt+F
- Add Solidify modifier
Alternatively you can use Delete > Limited Disolve to merge faces into N-gons
- and use like Face Inset and Extrude outline ... or what ever.




