You can set the alignment of logos in Interactive Report templates to left, right, or center.
Navigate to the \pentaho-server\tomcat\webapps\pentaho\WEB-INF\classes folder, locate the file classic-engine.properties, and open it in a text editor.
Find the attribute org.pentaho.reporting.engine.classic.core.environment.pirTemplateLogoAlignment.
The default alignment is set to right.
Change the default alignment to left or center as needed and save the file.
Note: The only allowed values are left, right, and center.
Restart the server for the changes to take effect.