1. Open the public relations software, import your video material, and add the last picture to the timeline.
2. In the Project panel, right-click a blank area and select the Import File option. Select the PSD file to add and import it into the project.
3. Drag the PSD file to the top of the timeline to cover the last picture.
4. In the effect control panel, click the drop-down menu and find the "Text" effect under the category of "Text/Markup".
5. Drag the text effect to the PSD layer.
6. In the Source text field, enter the text you want to display.
7. Adjust the size, font, color and other style attributes of the text. You can find the corresponding options in the "Effect Control" panel to adjust.
8. Find the starting frame of the last picture in the timeline. You can easily find it by dragging the timeline cursor or using shortcut keys.
9. In the effect control panel, find the character attribute option under the text effect and expand it.
10. Gradually reduce the "opacity" attribute to 0, so as to realize the effect that the text appears slowly. You can control the speed and time of text display by setting the transparency of key frames.
1 1. Preview and adjust the effect to ensure that the appearance and transition effect of the text are satisfactory.
12. Finally, export your video.
These steps will help you add a PSD text layer to the last picture of PR to achieve a slow transition effect. I hope it helps you! If you need more detailed guidance, please refer to the official documentation or online tutorial of PR software.