The Picture control in section reports is used to print an image on the report. In the Image property of the Picture control, you can select any image file to display on your report. You should use the PictureAlignment and SizeMode properties to control cropping and alignment.
Picture control supports Base64 string, Byte[], BMP, JPG, JPEG, JPE, GIF, PNG, EMF, and WMF formats in both GDI and CrossPlatform compatibility modes.
You can set the Picture properties in the Picture dialog. To open it, with the Picture selected on the report, under the Properties window, click the Property dialog link.