You can use the paths you create with the pen tool for various purposes in Photoshop. For example, you can use them to create vector shapes by filling or stroking them with colors, gradients, or patterns. To do this, select a path in the Paths panel, and choose Fill Path or Stroke Path from the panel menu. You can also use them to create selection outlines by loading them as selections. To do this, select a path in the Paths panel, and choose Make Selection from the panel menu. You can then apply adjustments, filters, or transformations to the selected area. Another way to use paths is to create text along them by using the horizontal type tool or the vertical type tool. To do this, select a path in the Paths panel, and click on it with the type tool. You can then type your text and adjust its size, font, color, and alignment.
The pen tool is a great tool to master if you want to create professional and creative graphics in Photoshop. It gives you the ability to create custom and flexible paths that can be used for various effects and purposes. By following these steps, you can learn how to use the pen tool to create paths in Photoshop, and how to modify, save, and use them for your projects.