There are a few steps you can take to convert a psb to pdf in Photoshop. The first step is to open the psb file and select the “Convert” tab. Then, click on the “Convert” button. Next, you will need to provide some information about the file. In this case, you will need to provide a name for the file and a location for it. You can also provide a description of the file and its contents. Once you have provided these information, Photoshop will start converting the psb to pdf.