Send Anywhere auto-save all received photos and videos to the Photos app by default and it is classified and displayed in the 'Photo' and 'Video' tab of the Send menu in Send Anywhere app.
If you can not see the received photos and videos in the Photos app, check the following:
Is the file format or codec supported by iOS?
If the received file has a format or audio codec not supported by the iOS version, it cannot be saved in the Camera Roll of Photos app and are saved in the 'File' tab of send Menu within Send Anywhere app. Make sure that the received file is saved in the 'File' tab.
If you want to open photo and video files saved in the 'File' tab, please download and use another viewer app or player app that supports a specific file format or codec. To open in another app, select the photo or video in the 'File' tab and tap on the 3 dots icon in the Send box at the bottom then click the 'Open in...'.
Do Send Anywhere app have access to the Photos app?
If you do not have access to the 'Photos' app in the Send Anywhere app, the received photos and videos are not saved in the Photos app. Go to your device's settings> Send Anywhere> Allow Send Anywhere to access > Photos and select 'Read and write'.
Do you set 'Auto-Save to Camera Roll'?
Even though Send Anywhere app has access to the 'Photos' app, if the received photos and videos are not saved in the Photos app, Go to the top left menu(3 lines icon) > Settings > Receive and make sure if set 'Auto-Save to Camera Roll'. If it does not set the 'Auto-Save to Camera Roll', the received photos and videos will be saved in the 'File' tab of the 'Send' menu.
If Send Anywhere app has access to the 'Photos' app, you can save the file already saved in the 'File' tab as the 'Photos' app. After selecting a photo or video, tap the [...] more button in Send box at the bottom and then click the 'Save to Camera Roll' button. If the file format or codec is not supported by the iOS version, 'Save to Camera Roll' button is not displayed.
Do you check if the received photos and videos were saved on the taken date?
All photos and videos are saved at the originally taken date and time. For example, if the photo/video you just received was originally taken on 2011.01.01, go to that moment of time in the Photos app.
If you do not know the taken date and time of the received photo/video, go to the 'Album' tab in the Photos app and look for the 'Send Anywhere' folder. All photos and videos downloaded via Send Anywhere app are saved in that folder.