I need someone help me to modify PDF file by any program Photoshop...

To modify a PDF file using Adobe Photoshop, follow these steps:

1. Open Adobe Photoshop: Launch the Photoshop software on your computer. If you don't have Photoshop installed, you will need to obtain a copy from Adobe's website or another authorized source.

2. Open the PDF file: In Photoshop, navigate to the "File" menu and choose "Open." Locate the PDF file you want to modify and select it. Click "Open" to open the file.

3. Import as a Smart Object (optional): After opening the PDF file, Photoshop may prompt you to import it as a Smart Object. This option allows you to make non-destructive edits and preserve scalability. Choose "Yes" if you want to maintain the Smart Object capability or "No" to proceed with a standard image layer.

4. Make modifications: Once the PDF file is open in Photoshop, you can use various tools and features to modify it. For example, you can use the Text tool to edit text, the Brush tool to draw or paint, or apply filters and adjustments to alter the image. Remember that Photoshop is primarily an image editor, so extensive text editing may be challenging.

5. Save your modifications: After you have made the desired modifications, navigate to the "File" menu and choose "Save" or "Save As" to save the edited PDF file. Ensure that you save it as a PDF file type or in a format compatible with PDF.

It's important to note that Photoshop is primarily designed for editing raster images, so when modifying a PDF file, some elements may be rasterized, resulting in loss of quality or functionality. Alternatively, you can consider using specialized PDF editing software, such as Adobe Acrobat, which provides more comprehensive tools for modifying PDF files while maintaining their integrity.