There are many advantages of using Adobe Photoshop. Some are mentioned below:
It can be actually a bit intimidating initially, but the fact is its quite simple to use in comparison to other programs. You can have both manual access as well as multiple automatic functions.
It saves you a lot of time and energy. It can be very tedious to edit hundreds of photos so you can simply record whatever steps you follow in Actions and it will save you from repeating these steps which can be otherwise very boring.
Its output is always of high quality in terms of resizing, color correction, HDR imaging etc. For any kind of processing effects, Photoshop delivers the best result.
It has such a vast number of features which comprises of creating and editing of 3D images, video and other graphic designs.
In Adobe creative suite, all its files can be easily transferred among different programs which means if you create a graphic using an Adobe illustrator, and then add it to an image in Photoshop and later send it to Adobe Premiere for adding it in some video and lastly use the After Effects to process it ensuring that no quality is degraded. But in case of a file which is created in other program might reduce the quality of the end result because of converting it to a higher compressed file.
Since it is popular software, you can find several support and free tutorials available online. These can help you to learn to execute a task such a creating a design.
Photoshop can be of great use if you want to restore an old and damaged image. It can be a great career option if you are really good at editing and enhancing the normal picture into an extraordinary piece.
It can be actually a bit intimidating initially, but the fact is its quite simple to use in comparison to other programs. .