Yes, ArcGIS Runtime provides a Geoprocessing task to run your GP service. Here is a doc
Run a geoprocessing task—ArcGIS Runtime SDK for Qt | ArcGIS for Developers
You can check out AppStudio sample based on ArcGIS Runtime which demonstrates GP Task to calculate a viewshed using a geoprocessing.
Yes, ArcGIS Runtime provides a Geoprocessing task to run your GP service. Here is a doc
Run a geoprocessing task—ArcGIS Runtime SDK for Qt | ArcGIS for Developers
You can check out AppStudio sample based on ArcGIS Runtime which demonstrates GP Task to calculate a viewshed using a geoprocessing.