What are the limitations of SysCloud backup for Salesforce?

Due to Salesforce API limitation, the following objects cannot neither be backed up nor restored.

AccountUserTerritory2View 

EmbeddedServiceLabel 

OutgoingEmailRelation 

ActivityMetric 

EngagementHistory 

OwnerChangeOptionInfo 

ActivityMetricRollup 

EntityDefinition 

PermissionSetEventS 

AdminSetupEvent 

EntityParticle 

PicklistValueInfo 

AdminSetupEventStream 

FieldDefinition 

PlatformAction 

AnalyticsBotSession 

FieldHistoryArchive 

RecordActionHistory 

ApexLimitEvent 

FlexQueueItem 

RecordRecommendation 

ApiEvent 

FlowDefinitionView 

RecordVisibility 

ApexPageInfo 

FlowVariableView 

RelationshipDomain 

ApiEventStream 

FlowVersionView 

RelationshipInfo 

AppTabMember 

IconDefinition 

ReportEvent 

AuraDefinitionInfo 

IdeaComment 

ReportEventStream 

BackgroundOperationResult 

IdentityVerificationEvent 

SalesOrder__xe 

BotAnalytics 

InterfaceFieldMapping 

SalesStore 

BotEventLog 

LightningUriEvent 

SearchLayout 

BulkApiResultEventStore 

LightningUriEventStream 

SiteDetail 

CollaborationGroupRecord 

ListViewChartInstance 

SubscriberPackage 

ColorDefinition 

ListViewEvent 

TenantUsageEntitlement 

ContentFolderItem 

ListViewEventStream 

UriEvent 

ContentFolderMember 

LoginAsEvent 

UriEventStream 

ContentHubItem 

LoginAsEventStream 

UserAppMenuItem 

DatacloudAddress 

LoginEvent 

UserEntityAccess 

DatacloudCompany 

LoginEventStream 

UserFieldAccess 

DatacloudContact 

LogoutEvent 

UserProfileFeed 

DatacloudDandBCompany 

LogoutEventStream 

UserRecordAccess 

DatacloudSocialHandle 

NetworkUserHistoryRecent 

Vote 

DataStatistics 

OauthToken 

  

DataType 

OmniRoutingEventStore 

 

DcSocialProfile 

OutgoingEmail 

 

DcSocialProfileHandle