pPlease correct my writing.

firstly, tThe ability for individuals to create their own films offers substantial benefits for those aspiring to work in the film industry.

We don't usually use "firstly", it's very casual
I would remove it

With the accessibility of high- quality smartphones, aspiremerging filmmakers can now produce movies without a significant budget.,

To avoid repetition, we will replace "aspiring" with "emerging"

This, which provides them with invaluable experience in setting up scenes, directing, and understanding the mechanicfoundations of the industry.

I combined this with the previous sentence to avoid choppiness.

Uploading content on platforms likesuch as YouTube or Facebook enables exposure toour content to reach vast audiences, potentially leading to recognition, if theiour content is engaging.

AspirBudding actors, too, can can also gain experience and visibility by participating in these independent productions.

This is a little bit repetitive with your previous sentence ("This provides them with invaluable experience in setting up scenes, directing, and understanding the mechanics of the industry.")
I would delete this sentence

Overall, this democratization of filmmaking opens the doors for talented individuals to display their skills, gatherin exposure, and build their personal brand, without being dependent onhindered by traditional gatekeepbarriers in the film industry.

Gatekeeper: is like someone who is preventing someone from doing something or being something. You don't mention any potential gatekeepers (casting directors, Hollywood connections, for example) in this piece.

pPlease correct my writing.

fFirstly, the ability for individuals to create their own films offers substantial benefits for those aspiring to work in the film industry.

This provides them with invaluable experience in setting up scenes, directing, and understanding the mechanics of film-making and how the industry operates.

Uploading content on platforms like YouTube or Facebook enables exposure to vast audiences, potentially leading to recognition, if their content is engaging.

Successful individual projects might even pave the way for opportunities to work on larger budget productions.

Aspiring actors, too, can gain experience and visibility by participating in these independent indie-style productions.

Overall, this democratization of filmmaking opens doors for talented individuals to display their skills, gather exposure, and build their personal brand,; without being dependent on traditional gatekeepers in the film industry.